400289422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2521}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 671134464

約数和(自身を除く): 270845042

約数列:

[1, 2, 13, 26, 31, 62, 197, 394, 403, 806, 2521, 2561, 5042, 5122, 6107, 12214, 32773, 65546, 78151, 79391, 156302, 158782, 496637, 993274, 1015963, 2031926, 6456281, 12912562, 15395747, 30791494, 200144711, 400289422]

約数ペア:

[(1, 400289422), (2, 200144711), (13, 30791494), (26, 15395747), (31, 12912562), (62, 6456281), (197, 2031926), (394, 1015963), (403, 993274), (806, 496637), (2521, 158782), (2561, 156302), (5042, 79391), (5122, 78151), (6107, 65546), (12214, 32773)]