1640903072

素因数分解:

$2^5\times {\mathrm{349}}^2\times {\mathrm{421}}^1$

素因数の和:1129

約数の個数: 36

約数和(自身を含む): 3247506486

約数和(自身を除く): 1606603414

約数列:

[1, 2, 4, 8, 16, 32, 349, 421, 698, 842, 1396, 1684, 2792, 3368, 5584, 6736, 11168, 13472, 121801, 146929, 243602, 293858, 487204, 587716, 974408, 1175432, 1948816, 2350864, 3897632, 4701728, 51278221, 102556442, 205112884, 410225768, 820451536, 1640903072]

約数ペア:

[(1, 1640903072), (2, 820451536), (4, 410225768), (8, 205112884), (16, 102556442), (32, 51278221), (349, 4701728), (421, 3897632), (698, 2350864), (842, 1948816), (1396, 1175432), (1684, 974408), (2792, 587716), (3368, 487204), (5584, 293858), (6736, 243602), (11168, 146929), (13472, 121801)]