256202414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 450455040

約数和(自身を除く): 194252626

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 97, 113, 194, 226, 377, 403, 754, 806, 899, 1261, 1469, 1798, 2522, 2813, 2938, 3007, 3277, 3503, 5626, 6014, 6554, 7006, 10961, 11687, 21922, 23374, 36569, 39091, 42601, 45539, 73138, 78182, 85202, 87203, 91078, 101587, 142493, 174406, 203174, 284986, 317869, 339791, 635738, 679582, 1133639, 1320631, 2267278, 2641262, 4132297, 4417283, 8264594, 8834566, 9853939, 19707878, 128101207, 256202414]

約数ペア:

[(1, 256202414), (2, 128101207), (13, 19707878), (26, 9853939), (29, 8834566), (31, 8264594), (58, 4417283), (62, 4132297), (97, 2641262), (113, 2267278), (194, 1320631), (226, 1133639), (377, 679582), (403, 635738), (754, 339791), (806, 317869), (899, 284986), (1261, 203174), (1469, 174406), (1798, 142493), (2522, 101587), (2813, 91078), (2938, 87203), (3007, 85202), (3277, 78182), (3503, 73138), (5626, 45539), (6014, 42601), (6554, 39091), (7006, 36569), (10961, 23374), (11687, 21922)]