255683912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4133}}^1$

素因数の和:4206

約数の個数: 64

約数和(自身を含む): 565531200

約数和(自身を除く): 309847288

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 407, 418, 703, 814, 836, 1406, 1628, 1672, 2812, 3256, 4133, 5624, 7733, 8266, 15466, 16532, 30932, 33064, 45463, 61864, 78527, 90926, 152921, 157054, 181852, 305842, 314108, 363704, 611684, 628216, 863797, 1223368, 1682131, 1727594, 2905499, 3364262, 3455188, 5810998, 6728524, 6910376, 11621996, 13457048, 23243992, 31960489, 63920978, 127841956, 255683912]

約数ペア:

[(1, 255683912), (2, 127841956), (4, 63920978), (8, 31960489), (11, 23243992), (19, 13457048), (22, 11621996), (37, 6910376), (38, 6728524), (44, 5810998), (74, 3455188), (76, 3364262), (88, 2905499), (148, 1727594), (152, 1682131), (209, 1223368), (296, 863797), (407, 628216), (418, 611684), (703, 363704), (814, 314108), (836, 305842), (1406, 181852), (1628, 157054), (1672, 152921), (2812, 90926), (3256, 78527), (4133, 61864), (5624, 45463), (7733, 33064), (8266, 30932), (15466, 16532)]