667040390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{12781}}^1$

素因数の和:13112

約数の個数: 32

約数和(自身を含む): 1275541344

約数和(自身を除く): 608500954

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 307, 614, 1535, 3070, 5219, 10438, 12781, 25562, 26095, 52190, 63905, 127810, 217277, 434554, 1086385, 2172770, 3923767, 7847534, 19618835, 39237670, 66704039, 133408078, 333520195, 667040390]

約数ペア:

[(1, 667040390), (2, 333520195), (5, 133408078), (10, 66704039), (17, 39237670), (34, 19618835), (85, 7847534), (170, 3923767), (307, 2172770), (614, 1086385), (1535, 434554), (3070, 217277), (5219, 127810), (10438, 63905), (12781, 52190), (25562, 26095)]