388996866

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{697127}}^1$

素因数の和:697166

約数の個数: 24

約数和(自身を含む): 870015744

約数和(自身を除く): 481018878

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 697127, 1394254, 2091381, 4182762, 6274143, 12548286, 21610937, 43221874, 64832811, 129665622, 194498433, 388996866]

約数ペア:

[(1, 388996866), (2, 194498433), (3, 129665622), (6, 64832811), (9, 43221874), (18, 21610937), (31, 12548286), (62, 6274143), (93, 4182762), (186, 2091381), (279, 1394254), (558, 697127)]