216390776

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{20231}}^1$

素因数の和:20435

約数の個数: 32

約数和(自身を含む): 466145280

約数和(自身を除く): 249754504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 20231, 40462, 80924, 141617, 161848, 283234, 566468, 1132936, 3864121, 7728242, 15456484, 27048847, 30912968, 54097694, 108195388, 216390776]

約数ペア:

[(1, 216390776), (2, 108195388), (4, 54097694), (7, 30912968), (8, 27048847), (14, 15456484), (28, 7728242), (56, 3864121), (191, 1132936), (382, 566468), (764, 283234), (1337, 161848), (1528, 141617), (2674, 80924), (5348, 40462), (10696, 20231)]