81510312

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261251}}^1$

素因数の和:261273

約数の個数: 32

約数和(自身を含む): 219451680

約数和(自身を除く): 137941368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261251, 522502, 783753, 1045004, 1567506, 2090008, 3135012, 3396263, 6270024, 6792526, 10188789, 13585052, 20377578, 27170104, 40755156, 81510312]

約数ペア:

[(1, 81510312), (2, 40755156), (3, 27170104), (4, 20377578), (6, 13585052), (8, 10188789), (12, 6792526), (13, 6270024), (24, 3396263), (26, 3135012), (39, 2090008), (52, 1567506), (78, 1045004), (104, 783753), (156, 522502), (312, 261251)]