389133091

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 428597568

約数和(自身を除く): 39464477

約数列:

[1, 19, 41, 61, 361, 431, 779, 1159, 2501, 8189, 14801, 17671, 22021, 26291, 47519, 155591, 335749, 499529, 902861, 1077931, 6379231, 9491051, 20480689, 389133091]

約数ペア:

[(1, 389133091), (19, 20480689), (41, 9491051), (61, 6379231), (361, 1077931), (431, 902861), (779, 499529), (1159, 335749), (2501, 155591), (8189, 47519), (14801, 26291), (17671, 22021)]