664356784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 1679892480

約数和(自身を除く): 1015535696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 41, 52, 56, 62, 82, 91, 104, 112, 124, 164, 182, 208, 217, 248, 287, 328, 359, 364, 403, 434, 496, 533, 574, 656, 718, 728, 806, 868, 1066, 1148, 1271, 1436, 1456, 1612, 1736, 2132, 2296, 2513, 2542, 2821, 2872, 3224, 3472, 3731, 4264, 4592, 4667, 5026, 5084, 5642, 5744, 6448, 7462, 8528, 8897, 9334, 10052, 10168, 11129, 11284, 14719, 14924, 16523, 17794, 18668, 20104, 20336, 22258, 22568, 29438, 29848, 32669, 33046, 35588, 37336, 40208, 44516, 45136, 58876, 59696, 65338, 66092, 71176, 74672, 77903, 89032, 103033, 115661, 117752, 130676, 132184, 142352, 144677, 155806, 178064, 191347, 206066, 231322, 235504, 261352, 264368, 289354, 311612, 382694, 412132, 456289, 462644, 522704, 578708, 623224, 765388, 824264, 912578, 925288, 1012739, 1157416, 1246448, 1339429, 1530776, 1648528, 1825156, 1850576, 2025478, 2314832, 2678858, 3061552, 3194023, 3650312, 4050956, 5357716, 5931757, 6388046, 7300624, 8101912, 10715432, 11863514, 12776092, 16203824, 21430864, 23727028, 25552184, 41522299, 47454056, 51104368, 83044598, 94908112, 166089196, 332178392, 664356784]

約数ペア:

[(1, 664356784), (2, 332178392), (4, 166089196), (7, 94908112), (8, 83044598), (13, 51104368), (14, 47454056), (16, 41522299), (26, 25552184), (28, 23727028), (31, 21430864), (41, 16203824), (52, 12776092), (56, 11863514), (62, 10715432), (82, 8101912), (91, 7300624), (104, 6388046), (112, 5931757), (124, 5357716), (164, 4050956), (182, 3650312), (208, 3194023), (217, 3061552), (248, 2678858), (287, 2314832), (328, 2025478), (359, 1850576), (364, 1825156), (403, 1648528), (434, 1530776), (496, 1339429), (533, 1246448), (574, 1157416), (656, 1012739), (718, 925288), (728, 912578), (806, 824264), (868, 765388), (1066, 623224), (1148, 578708), (1271, 522704), (1436, 462644), (1456, 456289), (1612, 412132), (1736, 382694), (2132, 311612), (2296, 289354), (2513, 264368), (2542, 261352), (2821, 235504), (2872, 231322), (3224, 206066), (3472, 191347), (3731, 178064), (4264, 155806), (4592, 144677), (4667, 142352), (5026, 132184), (5084, 130676), (5642, 117752), (5744, 115661), (6448, 103033), (7462, 89032), (8528, 77903), (8897, 74672), (9334, 71176), (10052, 66092), (10168, 65338), (11129, 59696), (11284, 58876), (14719, 45136), (14924, 44516), (16523, 40208), (17794, 37336), (18668, 35588), (20104, 33046), (20336, 32669), (22258, 29848), (22568, 29438)]