16661648646

素因数分解:

$2^1\times 3^4\times {\mathrm{401}}^1\times {\mathrm{256483}}^1$

素因数の和:256898

約数の個数: 40

約数和(自身を含む): 37427684184

約数和(自身を除く): 20766035538

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 401, 802, 1203, 2406, 3609, 7218, 10827, 21654, 32481, 64962, 256483, 512966, 769449, 1538898, 2308347, 4616694, 6925041, 13850082, 20775123, 41550246, 102849683, 205699366, 308549049, 617098098, 925647147, 1851294294, 2776941441, 5553882882, 8330824323, 16661648646]

約数ペア:

[(1, 16661648646), (2, 8330824323), (3, 5553882882), (6, 2776941441), (9, 1851294294), (18, 925647147), (27, 617098098), (54, 308549049), (81, 205699366), (162, 102849683), (401, 41550246), (802, 20775123), (1203, 13850082), (2406, 6925041), (3609, 4616694), (7218, 2308347), (10827, 1538898), (21654, 769449), (32481, 512966), (64962, 256483)]