1520678887

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 1984530240

約数和(自身を除く): 463851353

約数列:

[1, 7, 13, 29, 49, 91, 203, 263, 313, 377, 637, 1421, 1841, 2191, 2639, 3419, 4069, 7627, 9077, 12887, 15337, 18473, 23933, 28483, 53389, 63539, 82319, 99151, 118001, 167531, 199381, 373723, 444773, 576233, 694057, 826007, 1070147, 2387251, 4033631, 4858399, 5782049, 7491029, 16710757, 31034263, 52437203, 116975299, 217239841, 1520678887]

約数ペア:

[(1, 1520678887), (7, 217239841), (13, 116975299), (29, 52437203), (49, 31034263), (91, 16710757), (203, 7491029), (263, 5782049), (313, 4858399), (377, 4033631), (637, 2387251), (1421, 1070147), (1841, 826007), (2191, 694057), (2639, 576233), (3419, 444773), (4069, 373723), (7627, 199381), (9077, 167531), (12887, 118001), (15337, 99151), (18473, 82319), (23933, 63539), (28483, 53389)]