397293848

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{99923}}^1$

素因数の和:100007

約数の個数: 32

約数和(自身を含む): 863343360

約数和(自身を除く): 466049512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 99923, 199846, 399692, 699461, 799384, 1398922, 2797844, 5595688, 7094533, 14189066, 28378132, 49661731, 56756264, 99323462, 198646924, 397293848]

約数ペア:

[(1, 397293848), (2, 198646924), (4, 99323462), (7, 56756264), (8, 49661731), (14, 28378132), (28, 14189066), (56, 7094533), (71, 5595688), (142, 2797844), (284, 1398922), (497, 799384), (568, 699461), (994, 399692), (1988, 199846), (3976, 99923)]