256895262

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64579}}^1$

素因数の和:64617

約数の個数: 48

約数和(自身を含む): 634692240

約数和(自身を除く): 377796978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 64579, 129158, 193737, 387474, 581211, 839527, 1097843, 1162422, 1679054, 2195686, 2518581, 3293529, 5037162, 6587058, 7555743, 9880587, 14271959, 15111486, 19761174, 28543918, 42815877, 85631754, 128447631, 256895262]

約数ペア:

[(1, 256895262), (2, 128447631), (3, 85631754), (6, 42815877), (9, 28543918), (13, 19761174), (17, 15111486), (18, 14271959), (26, 9880587), (34, 7555743), (39, 6587058), (51, 5037162), (78, 3293529), (102, 2518581), (117, 2195686), (153, 1679054), (221, 1162422), (234, 1097843), (306, 839527), (442, 581211), (663, 387474), (1326, 193737), (1989, 129158), (3978, 64579)]