28780491272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3897683}}^1$

素因数の和:3897773

約数の個数: 32

約数和(自身を含む): 58932982080

約数和(自身を除く): 30152490808

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 3897683, 7795366, 15590732, 31181464, 50669879, 101339758, 202679516, 276735493, 405359032, 553470986, 1106941972, 2213883944, 3597561409, 7195122818, 14390245636, 28780491272]

約数ペア:

[(1, 28780491272), (2, 14390245636), (4, 7195122818), (8, 3597561409), (13, 2213883944), (26, 1106941972), (52, 553470986), (71, 405359032), (104, 276735493), (142, 202679516), (284, 101339758), (568, 50669879), (923, 31181464), (1846, 15590732), (3692, 7795366), (7384, 3897683)]