268487528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 563397120

約数和(自身を除く): 294909592

約数列:

[1, 2, 4, 8, 17, 31, 34, 43, 62, 68, 86, 124, 136, 172, 248, 344, 527, 731, 1054, 1333, 1462, 1481, 2108, 2666, 2924, 2962, 4216, 5332, 5848, 5924, 10664, 11848, 22661, 25177, 45322, 45911, 50354, 63683, 90644, 91822, 100708, 127366, 181288, 183644, 201416, 254732, 367288, 509464, 780487, 1082611, 1560974, 1974173, 2165222, 3121948, 3948346, 4330444, 6243896, 7896692, 8660888, 15793384, 33560941, 67121882, 134243764, 268487528]

約数ペア:

[(1, 268487528), (2, 134243764), (4, 67121882), (8, 33560941), (17, 15793384), (31, 8660888), (34, 7896692), (43, 6243896), (62, 4330444), (68, 3948346), (86, 3121948), (124, 2165222), (136, 1974173), (172, 1560974), (248, 1082611), (344, 780487), (527, 509464), (731, 367288), (1054, 254732), (1333, 201416), (1462, 183644), (1481, 181288), (2108, 127366), (2666, 100708), (2924, 91822), (2962, 90644), (4216, 63683), (5332, 50354), (5848, 45911), (5924, 45322), (10664, 25177), (11848, 22661)]