199438421

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 261042912

約数和(自身を除く): 61604491

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 361, 467, 1183, 1729, 2527, 3211, 3269, 4693, 6071, 8873, 22477, 32851, 42497, 61009, 62111, 78923, 115349, 168587, 427063, 552461, 807443, 1180109, 1499537, 2191631, 10496759, 15341417, 28491203, 199438421]

約数ペア:

[(1, 199438421), (7, 28491203), (13, 15341417), (19, 10496759), (91, 2191631), (133, 1499537), (169, 1180109), (247, 807443), (361, 552461), (467, 427063), (1183, 168587), (1729, 115349), (2527, 78923), (3211, 62111), (3269, 61009), (4693, 42497), (6071, 32851), (8873, 22477)]