81710408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5273}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 166131000

約数和(自身を除く): 84420592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 5273, 7748, 10546, 15496, 21092, 42184, 68549, 137098, 274196, 548392, 785677, 1571354, 3142708, 6285416, 10213801, 20427602, 40855204, 81710408]

約数ペア:

[(1, 81710408), (2, 40855204), (4, 20427602), (8, 10213801), (13, 6285416), (26, 3142708), (52, 1571354), (104, 785677), (149, 548392), (298, 274196), (596, 137098), (1192, 68549), (1937, 42184), (3874, 21092), (5273, 15496), (7748, 10546)]