128475972

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{19717}}^1$

素因数の和:19908

約数の個数: 36

約数和(自身を含む): 326569516

約数和(自身を除く): 198093544

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 19717, 39434, 59151, 78868, 118302, 177453, 236604, 354906, 709812, 3568777, 7137554, 10706331, 14275108, 21412662, 32118993, 42825324, 64237986, 128475972]

約数ペア:

[(1, 128475972), (2, 64237986), (3, 42825324), (4, 32118993), (6, 21412662), (9, 14275108), (12, 10706331), (18, 7137554), (36, 3568777), (181, 709812), (362, 354906), (543, 236604), (724, 177453), (1086, 118302), (1629, 78868), (2172, 59151), (3258, 39434), (6516, 19717)]