257443344

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 752404224

約数和(自身を除く): 494960880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 101, 124, 144, 186, 202, 248, 279, 303, 372, 404, 496, 558, 571, 606, 744, 808, 909, 1116, 1142, 1212, 1488, 1616, 1713, 1818, 2232, 2284, 2424, 3131, 3426, 3636, 4464, 4568, 4848, 5139, 6262, 6852, 7272, 9136, 9393, 10278, 12524, 13704, 14544, 17701, 18786, 20556, 25048, 27408, 28179, 35402, 37572, 41112, 50096, 53103, 56358, 57671, 70804, 75144, 82224, 106206, 112716, 115342, 141608, 150288, 159309, 173013, 212412, 225432, 230684, 283216, 318618, 346026, 424824, 450864, 461368, 519039, 637236, 692052, 849648, 922736, 1038078, 1274472, 1384104, 1787801, 2076156, 2548944, 2768208, 3575602, 4152312, 5363403, 7151204, 8304624, 10726806, 14302408, 16090209, 21453612, 28604816, 32180418, 42907224, 64360836, 85814448, 128721672, 257443344]

約数ペア:

[(1, 257443344), (2, 128721672), (3, 85814448), (4, 64360836), (6, 42907224), (8, 32180418), (9, 28604816), (12, 21453612), (16, 16090209), (18, 14302408), (24, 10726806), (31, 8304624), (36, 7151204), (48, 5363403), (62, 4152312), (72, 3575602), (93, 2768208), (101, 2548944), (124, 2076156), (144, 1787801), (186, 1384104), (202, 1274472), (248, 1038078), (279, 922736), (303, 849648), (372, 692052), (404, 637236), (496, 519039), (558, 461368), (571, 450864), (606, 424824), (744, 346026), (808, 318618), (909, 283216), (1116, 230684), (1142, 225432), (1212, 212412), (1488, 173013), (1616, 159309), (1713, 150288), (1818, 141608), (2232, 115342), (2284, 112716), (2424, 106206), (3131, 82224), (3426, 75144), (3636, 70804), (4464, 57671), (4568, 56358), (4848, 53103), (5139, 50096), (6262, 41112), (6852, 37572), (7272, 35402), (9136, 28179), (9393, 27408), (10278, 25048), (12524, 20556), (13704, 18786), (14544, 17701)]