2620486544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{406403}}^1$

素因数の和:406455

約数の個数: 40

約数和(自身を含む): 5644138752

約数和(自身を除く): 3023652208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 406403, 812806, 1625612, 3251224, 5283239, 6502448, 10566478, 12598493, 21132956, 25196986, 42265912, 50393972, 84531824, 100787944, 163780409, 201575888, 327560818, 655121636, 1310243272, 2620486544]

約数ペア:

[(1, 2620486544), (2, 1310243272), (4, 655121636), (8, 327560818), (13, 201575888), (16, 163780409), (26, 100787944), (31, 84531824), (52, 50393972), (62, 42265912), (104, 25196986), (124, 21132956), (208, 12598493), (248, 10566478), (403, 6502448), (496, 5283239), (806, 3251224), (1612, 1625612), (3224, 812806), (6448, 406403)]