25516816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 54065984

約数和(自身を除く): 28549168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 1831, 3484, 3662, 6968, 7324, 13936, 14648, 23803, 29296, 47606, 95212, 122677, 190424, 245354, 380848, 490708, 981416, 1594801, 1962832, 3189602, 6379204, 12758408, 25516816]

約数ペア:

[(1, 25516816), (2, 12758408), (4, 6379204), (8, 3189602), (13, 1962832), (16, 1594801), (26, 981416), (52, 490708), (67, 380848), (104, 245354), (134, 190424), (208, 122677), (268, 95212), (536, 47606), (871, 29296), (1072, 23803), (1742, 14648), (1831, 13936), (3484, 7324), (3662, 6968)]