81668748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57191}}^1$

素因数の和:57222

約数の個数: 48

約数和(自身を含む): 230598144

約数和(自身を除く): 148929396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 57191, 114382, 171573, 228764, 343146, 400337, 686292, 800674, 972247, 1201011, 1601348, 1944494, 2402022, 2916741, 3888988, 4804044, 5833482, 6805729, 11666964, 13611458, 20417187, 27222916, 40834374, 81668748]

約数ペア:

[(1, 81668748), (2, 40834374), (3, 27222916), (4, 20417187), (6, 13611458), (7, 11666964), (12, 6805729), (14, 5833482), (17, 4804044), (21, 3888988), (28, 2916741), (34, 2402022), (42, 1944494), (51, 1601348), (68, 1201011), (84, 972247), (102, 800674), (119, 686292), (204, 400337), (238, 343146), (357, 228764), (476, 171573), (714, 114382), (1428, 57191)]