1297755728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 2674114560

約数和(自身を除く): 1376358832

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 179, 188, 248, 311, 358, 376, 496, 622, 716, 752, 1244, 1432, 1457, 2488, 2864, 2914, 4976, 5549, 5828, 8413, 9641, 11098, 11656, 14617, 16826, 19282, 22196, 23312, 29234, 33652, 38564, 44392, 55669, 58468, 67304, 77128, 88784, 111338, 116936, 134608, 154256, 222676, 233872, 260803, 445352, 453127, 521606, 890704, 906254, 1043212, 1725739, 1812508, 2086424, 2616443, 3451478, 3625016, 4172848, 5232886, 6902956, 7250032, 10465772, 13805912, 20931544, 27611824, 41863088, 81109733, 162219466, 324438932, 648877864, 1297755728]

約数ペア:

[(1, 1297755728), (2, 648877864), (4, 324438932), (8, 162219466), (16, 81109733), (31, 41863088), (47, 27611824), (62, 20931544), (94, 13805912), (124, 10465772), (179, 7250032), (188, 6902956), (248, 5232886), (311, 4172848), (358, 3625016), (376, 3451478), (496, 2616443), (622, 2086424), (716, 1812508), (752, 1725739), (1244, 1043212), (1432, 906254), (1457, 890704), (2488, 521606), (2864, 453127), (2914, 445352), (4976, 260803), (5549, 233872), (5828, 222676), (8413, 154256), (9641, 134608), (11098, 116936), (11656, 111338), (14617, 88784), (16826, 77128), (19282, 67304), (22196, 58468), (23312, 55669), (29234, 44392), (33652, 38564)]