221564732

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{3049}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 399159600

約数和(自身を除く): 177594868

約数列:

[1, 2, 4, 37, 74, 148, 491, 982, 1964, 3049, 6098, 12196, 18167, 36334, 72668, 112813, 225626, 451252, 1497059, 2994118, 5988236, 55391183, 110782366, 221564732]

約数ペア:

[(1, 221564732), (2, 110782366), (4, 55391183), (37, 5988236), (74, 2994118), (148, 1497059), (491, 451252), (982, 225626), (1964, 112813), (3049, 72668), (6098, 36334), (12196, 18167)]