201025816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3511}}^1$

素因数の和:3955

約数の個数: 32

約数和(自身を含む): 400157280

約数和(自身を除く): 199131464

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1684, 3368, 3511, 7022, 7157, 14044, 14314, 28088, 28628, 57256, 59687, 119374, 238748, 477496, 1478131, 2956262, 5912524, 11825048, 25128227, 50256454, 100512908, 201025816]

約数ペア:

[(1, 201025816), (2, 100512908), (4, 50256454), (8, 25128227), (17, 11825048), (34, 5912524), (68, 2956262), (136, 1478131), (421, 477496), (842, 238748), (1684, 119374), (3368, 59687), (3511, 57256), (7022, 28628), (7157, 28088), (14044, 14314)]