71920387

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 99283968

約数和(自身を除く): 27363581

約数列:

[1, 7, 11, 17, 47, 49, 77, 119, 167, 187, 329, 517, 539, 799, 833, 1169, 1309, 1837, 2303, 2839, 3619, 5593, 7849, 8183, 8789, 9163, 12859, 19873, 25333, 31229, 39151, 54943, 61523, 86339, 90013, 133433, 139111, 218603, 384601, 430661, 604373, 934031, 1467763, 1530221, 4230611, 6538217, 10274341, 71920387]

約数ペア:

[(1, 71920387), (7, 10274341), (11, 6538217), (17, 4230611), (47, 1530221), (49, 1467763), (77, 934031), (119, 604373), (167, 430661), (187, 384601), (329, 218603), (517, 139111), (539, 133433), (799, 90013), (833, 86339), (1169, 61523), (1309, 54943), (1837, 39151), (2303, 31229), (2839, 25333), (3619, 19873), (5593, 12859), (7849, 9163), (8183, 8789)]