1298983328

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 2941069824

約数和(自身を除く): 1642086496

約数列:

[1, 2, 4, 8, 16, 17, 23, 31, 32, 34, 46, 62, 68, 92, 124, 136, 184, 197, 248, 272, 289, 368, 391, 394, 496, 527, 544, 578, 713, 736, 782, 788, 992, 1054, 1156, 1426, 1564, 1576, 2108, 2312, 2852, 3128, 3152, 3349, 4216, 4531, 4624, 5704, 6107, 6256, 6304, 6647, 6698, 8432, 8959, 9062, 9248, 11408, 12121, 12214, 12512, 13294, 13396, 16864, 17918, 18124, 22816, 24242, 24428, 26588, 26792, 35836, 36248, 48484, 48856, 53176, 53584, 56933, 71672, 72496, 77027, 96968, 97712, 103819, 106352, 107168, 113866, 140461, 143344, 144992, 154054, 193936, 195424, 206057, 207638, 212704, 227732, 280922, 286688, 308108, 387872, 412114, 415276, 455464, 561844, 616216, 824228, 830552, 910928, 1123688, 1232432, 1309459, 1648456, 1661104, 1764923, 1821856, 2247376, 2387837, 2464864, 2618918, 3296912, 3322208, 3529846, 4494752, 4775674, 5237836, 6593824, 7059692, 9551348, 10475672, 14119384, 19102696, 20951344, 28238768, 38205392, 40593229, 41902688, 56477536, 76410784, 81186458, 162372916, 324745832, 649491664, 1298983328]

約数ペア:

[(1, 1298983328), (2, 649491664), (4, 324745832), (8, 162372916), (16, 81186458), (17, 76410784), (23, 56477536), (31, 41902688), (32, 40593229), (34, 38205392), (46, 28238768), (62, 20951344), (68, 19102696), (92, 14119384), (124, 10475672), (136, 9551348), (184, 7059692), (197, 6593824), (248, 5237836), (272, 4775674), (289, 4494752), (368, 3529846), (391, 3322208), (394, 3296912), (496, 2618918), (527, 2464864), (544, 2387837), (578, 2247376), (713, 1821856), (736, 1764923), (782, 1661104), (788, 1648456), (992, 1309459), (1054, 1232432), (1156, 1123688), (1426, 910928), (1564, 830552), (1576, 824228), (2108, 616216), (2312, 561844), (2852, 455464), (3128, 415276), (3152, 412114), (3349, 387872), (4216, 308108), (4531, 286688), (4624, 280922), (5704, 227732), (6107, 212704), (6256, 207638), (6304, 206057), (6647, 195424), (6698, 193936), (8432, 154054), (8959, 144992), (9062, 143344), (9248, 140461), (11408, 113866), (12121, 107168), (12214, 106352), (12512, 103819), (13294, 97712), (13396, 96968), (16864, 77027), (17918, 72496), (18124, 71672), (22816, 56933), (24242, 53584), (24428, 53176), (26588, 48856), (26792, 48484), (35836, 36248)]