720705856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27943}}^1$

素因数の和:27999

約数の個数: 56

約数和(自身を含む): 1589901824

約数和(自身を除く): 869195968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 27943, 55886, 111772, 223544, 363259, 447088, 726518, 866233, 894176, 1453036, 1732466, 1788352, 2906072, 3464932, 5812144, 6929864, 11261029, 11624288, 13859728, 22522058, 23248576, 27719456, 45044116, 55438912, 90088232, 180176464, 360352928, 720705856]

約数ペア:

[(1, 720705856), (2, 360352928), (4, 180176464), (8, 90088232), (13, 55438912), (16, 45044116), (26, 27719456), (31, 23248576), (32, 22522058), (52, 13859728), (62, 11624288), (64, 11261029), (104, 6929864), (124, 5812144), (208, 3464932), (248, 2906072), (403, 1788352), (416, 1732466), (496, 1453036), (806, 894176), (832, 866233), (992, 726518), (1612, 447088), (1984, 363259), (3224, 223544), (6448, 111772), (12896, 55886), (25792, 27943)]