71317090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18917}}^1$

素因数の和:18966

約数の個数: 32

約数和(自身を含む): 143020080

約数和(自身を除く): 71702990

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 18917, 37834, 94585, 189170, 245921, 491842, 548593, 1097186, 1229605, 2459210, 2742965, 5485930, 7131709, 14263418, 35658545, 71317090]

約数ペア:

[(1, 71317090), (2, 35658545), (5, 14263418), (10, 7131709), (13, 5485930), (26, 2742965), (29, 2459210), (58, 1229605), (65, 1097186), (130, 548593), (145, 491842), (290, 245921), (377, 189170), (754, 94585), (1885, 37834), (3770, 18917)]