221738478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{218677}}^1$

素因数の和:218708

約数の個数: 24

約数和(自身を含む): 480216888

約数和(自身を除く): 258478410

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 218677, 437354, 656031, 1312062, 2842801, 5685602, 8528403, 17056806, 36956413, 73912826, 110869239, 221738478]

約数ペア:

[(1, 221738478), (2, 110869239), (3, 73912826), (6, 36956413), (13, 17056806), (26, 8528403), (39, 5685602), (78, 2842801), (169, 1312062), (338, 656031), (507, 437354), (1014, 218677)]