11311820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 25848480

約数和(自身を除く): 14536660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 313, 556, 626, 695, 1252, 1390, 1565, 1807, 2780, 3130, 3614, 4069, 6260, 7228, 8138, 9035, 16276, 18070, 20345, 36140, 40690, 43507, 81380, 87014, 174028, 217535, 435070, 565591, 870140, 1131182, 2262364, 2827955, 5655910, 11311820]

約数ペア:

[(1, 11311820), (2, 5655910), (4, 2827955), (5, 2262364), (10, 1131182), (13, 870140), (20, 565591), (26, 435070), (52, 217535), (65, 174028), (130, 87014), (139, 81380), (260, 43507), (278, 40690), (313, 36140), (556, 20345), (626, 18070), (695, 16276), (1252, 9035), (1390, 8138), (1565, 7228), (1807, 6260), (2780, 4069), (3130, 3614)]