28138370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{823}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 54819072

約数和(自身を除く): 26680702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 823, 1315, 1646, 2630, 3419, 4115, 6838, 8230, 10699, 17095, 21398, 34190, 53495, 106990, 216449, 432898, 1082245, 2164490, 2813837, 5627674, 14069185, 28138370]

約数ペア:

[(1, 28138370), (2, 14069185), (5, 5627674), (10, 2813837), (13, 2164490), (26, 1082245), (65, 432898), (130, 216449), (263, 106990), (526, 53495), (823, 34190), (1315, 21398), (1646, 17095), (2630, 10699), (3419, 8230), (4115, 6838)]