28415738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 49560336

約数和(自身を除く): 21144598

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 1213, 1378, 1802, 2426, 11713, 15769, 20621, 23426, 31538, 41242, 64289, 128578, 268073, 536146, 835757, 1092913, 1671514, 2185826, 14207869, 28415738]

約数ペア:

[(1, 28415738), (2, 14207869), (13, 2185826), (17, 1671514), (26, 1092913), (34, 835757), (53, 536146), (106, 268073), (221, 128578), (442, 64289), (689, 41242), (901, 31538), (1213, 23426), (1378, 20621), (1802, 15769), (2426, 11713)]