646110928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1103}}^1\times {\mathrm{1181}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 1294488576

約数和(自身を除く): 648377648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1103, 1181, 2206, 2362, 4412, 4724, 8824, 9448, 17648, 18896, 34193, 36611, 68386, 73222, 136772, 146444, 273544, 292888, 547088, 585776, 1302643, 2605286, 5210572, 10421144, 20842288, 40381933, 80763866, 161527732, 323055464, 646110928]

約数ペア:

[(1, 646110928), (2, 323055464), (4, 161527732), (8, 80763866), (16, 40381933), (31, 20842288), (62, 10421144), (124, 5210572), (248, 2605286), (496, 1302643), (1103, 585776), (1181, 547088), (2206, 292888), (2362, 273544), (4412, 146444), (4724, 136772), (8824, 73222), (9448, 68386), (17648, 36611), (18896, 34193)]