255220706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 449971200

約数和(自身を除く): 194750494

約数列:

[1, 2, 13, 26, 29, 31, 58, 61, 62, 122, 179, 358, 377, 403, 754, 793, 806, 899, 1586, 1769, 1798, 1891, 2327, 3538, 3782, 4654, 5191, 5549, 10382, 10919, 11098, 11687, 21838, 22997, 23374, 24583, 45994, 49166, 54839, 67483, 72137, 109678, 134966, 141947, 144274, 160921, 283894, 316651, 321842, 338489, 633302, 676978, 712907, 1425814, 2091973, 4116463, 4183946, 4400357, 8232926, 8800714, 9816181, 19632362, 127610353, 255220706]

約数ペア:

[(1, 255220706), (2, 127610353), (13, 19632362), (26, 9816181), (29, 8800714), (31, 8232926), (58, 4400357), (61, 4183946), (62, 4116463), (122, 2091973), (179, 1425814), (358, 712907), (377, 676978), (403, 633302), (754, 338489), (793, 321842), (806, 316651), (899, 283894), (1586, 160921), (1769, 144274), (1798, 141947), (1891, 134966), (2327, 109678), (3538, 72137), (3782, 67483), (4654, 54839), (5191, 49166), (5549, 45994), (10382, 24583), (10919, 23374), (11098, 22997), (11687, 21838)]