31128110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 61584624

約数和(自身を除く): 30456514

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 163, 169, 226, 326, 338, 565, 815, 845, 1130, 1469, 1630, 1690, 2119, 2938, 4238, 7345, 10595, 14690, 18419, 19097, 21190, 27547, 36838, 38194, 55094, 92095, 95485, 137735, 184190, 190970, 239447, 275470, 478894, 1197235, 2394470, 3112811, 6225622, 15564055, 31128110]

約数ペア:

[(1, 31128110), (2, 15564055), (5, 6225622), (10, 3112811), (13, 2394470), (26, 1197235), (65, 478894), (113, 275470), (130, 239447), (163, 190970), (169, 184190), (226, 137735), (326, 95485), (338, 92095), (565, 55094), (815, 38194), (845, 36838), (1130, 27547), (1469, 21190), (1630, 19097), (1690, 18419), (2119, 14690), (2938, 10595), (4238, 7345)]