641431544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 1379624400

約数和(自身を除く): 738192856

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 89, 92, 104, 131, 178, 184, 262, 299, 356, 524, 529, 598, 712, 1048, 1058, 1157, 1196, 1703, 2047, 2116, 2314, 2392, 3013, 3406, 4094, 4232, 4628, 6026, 6812, 6877, 8188, 9256, 11659, 12052, 13624, 13754, 16376, 23318, 24104, 26611, 27508, 39169, 46636, 47081, 53222, 55016, 69299, 78338, 93272, 94162, 106444, 138598, 151567, 156676, 188324, 212888, 268157, 277196, 303134, 313352, 376648, 536314, 554392, 606268, 612053, 900887, 1072628, 1212536, 1224106, 1801774, 2145256, 2448212, 3486041, 3603548, 4896424, 6167611, 6972082, 7207096, 12335222, 13944164, 24670444, 27888328, 49340888, 80178943, 160357886, 320715772, 641431544]

約数ペア:

[(1, 641431544), (2, 320715772), (4, 160357886), (8, 80178943), (13, 49340888), (23, 27888328), (26, 24670444), (46, 13944164), (52, 12335222), (89, 7207096), (92, 6972082), (104, 6167611), (131, 4896424), (178, 3603548), (184, 3486041), (262, 2448212), (299, 2145256), (356, 1801774), (524, 1224106), (529, 1212536), (598, 1072628), (712, 900887), (1048, 612053), (1058, 606268), (1157, 554392), (1196, 536314), (1703, 376648), (2047, 313352), (2116, 303134), (2314, 277196), (2392, 268157), (3013, 212888), (3406, 188324), (4094, 156676), (4232, 151567), (4628, 138598), (6026, 106444), (6812, 94162), (6877, 93272), (8188, 78338), (9256, 69299), (11659, 55016), (12052, 53222), (13624, 47081), (13754, 46636), (16376, 39169), (23318, 27508), (24104, 26611)]