9263380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 22450176

約数和(自身を除く): 13186796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 521, 635, 889, 1042, 1270, 1778, 2084, 2540, 2605, 3556, 3647, 4445, 5210, 7294, 8890, 10420, 14588, 17780, 18235, 36470, 66167, 72940, 132334, 264668, 330835, 463169, 661670, 926338, 1323340, 1852676, 2315845, 4631690, 9263380]

約数ペア:

[(1, 9263380), (2, 4631690), (4, 2315845), (5, 1852676), (7, 1323340), (10, 926338), (14, 661670), (20, 463169), (28, 330835), (35, 264668), (70, 132334), (127, 72940), (140, 66167), (254, 36470), (508, 18235), (521, 17780), (635, 14588), (889, 10420), (1042, 8890), (1270, 7294), (1778, 5210), (2084, 4445), (2540, 3647), (2605, 3556)]