31313728

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1693}}^1$

素因数の和:1739

約数の個数: 42

約数和(自身を含む): 66047366

約数和(自身を除く): 34733638

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1156, 1693, 2312, 3386, 4624, 6772, 9248, 13544, 18496, 27088, 28781, 54176, 57562, 108352, 115124, 230248, 460496, 489277, 920992, 978554, 1841984, 1957108, 3914216, 7828432, 15656864, 31313728]

約数ペア:

[(1, 31313728), (2, 15656864), (4, 7828432), (8, 3914216), (16, 1957108), (17, 1841984), (32, 978554), (34, 920992), (64, 489277), (68, 460496), (136, 230248), (272, 115124), (289, 108352), (544, 57562), (578, 54176), (1088, 28781), (1156, 27088), (1693, 18496), (2312, 13544), (3386, 9248), (4624, 6772)]