81615828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5087}}^1$

素因数の和:5292

約数の個数: 48

約数和(自身を含む): 218824704

約数和(自身を除く): 137208876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1337, 2292, 2674, 4011, 5087, 5348, 8022, 10174, 15261, 16044, 20348, 30522, 35609, 61044, 71218, 106827, 142436, 213654, 427308, 971617, 1943234, 2914851, 3886468, 5829702, 6801319, 11659404, 13602638, 20403957, 27205276, 40807914, 81615828]

約数ペア:

[(1, 81615828), (2, 40807914), (3, 27205276), (4, 20403957), (6, 13602638), (7, 11659404), (12, 6801319), (14, 5829702), (21, 3886468), (28, 2914851), (42, 1943234), (84, 971617), (191, 427308), (382, 213654), (573, 142436), (764, 106827), (1146, 71218), (1337, 61044), (2292, 35609), (2674, 30522), (4011, 20348), (5087, 16044), (5348, 15261), (8022, 10174)]