128834279

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 159653808

約数和(自身を除く): 30819529

約数列:

[1, 7, 17, 49, 119, 211, 733, 833, 1477, 3587, 5131, 10339, 12461, 25109, 35917, 87227, 154663, 175763, 610589, 1082641, 2629271, 7578487, 18404897, 128834279]

約数ペア:

[(1, 128834279), (7, 18404897), (17, 7578487), (49, 2629271), (119, 1082641), (211, 610589), (733, 175763), (833, 154663), (1477, 87227), (3587, 35917), (5131, 25109), (10339, 12461)]