131679408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{391903}}^1$

素因数の和:391921

約数の個数: 40

約数和(自身を含む): 388768768

約数和(自身を除く): 257089360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 391903, 783806, 1175709, 1567612, 2351418, 2743321, 3135224, 4702836, 5486642, 6270448, 8229963, 9405672, 10973284, 16459926, 18811344, 21946568, 32919852, 43893136, 65839704, 131679408]

約数ペア:

[(1, 131679408), (2, 65839704), (3, 43893136), (4, 32919852), (6, 21946568), (7, 18811344), (8, 16459926), (12, 10973284), (14, 9405672), (16, 8229963), (21, 6270448), (24, 5486642), (28, 4702836), (42, 3135224), (48, 2743321), (56, 2351418), (84, 1567612), (112, 1175709), (168, 783806), (336, 391903)]