131494064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20393}}^1$

素因数の和:20445

約数の個数: 40

約数和(自身を含む): 283231872

約数和(自身を除く): 151737808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20393, 40786, 81572, 163144, 265109, 326288, 530218, 632183, 1060436, 1264366, 2120872, 2528732, 4241744, 5057464, 8218379, 10114928, 16436758, 32873516, 65747032, 131494064]

約数ペア:

[(1, 131494064), (2, 65747032), (4, 32873516), (8, 16436758), (13, 10114928), (16, 8218379), (26, 5057464), (31, 4241744), (52, 2528732), (62, 2120872), (104, 1264366), (124, 1060436), (208, 632183), (248, 530218), (403, 326288), (496, 265109), (806, 163144), (1612, 81572), (3224, 40786), (6448, 20393)]