128194668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{508709}}^1$

素因数の和:508726

約数の個数: 36

約数和(自身を含む): 370340880

約数和(自身を除く): 242146212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 508709, 1017418, 1526127, 2034836, 3052254, 3560963, 4578381, 6104508, 7121926, 9156762, 10682889, 14243852, 18313524, 21365778, 32048667, 42731556, 64097334, 128194668]

約数ペア:

[(1, 128194668), (2, 64097334), (3, 42731556), (4, 32048667), (6, 21365778), (7, 18313524), (9, 14243852), (12, 10682889), (14, 9156762), (18, 7121926), (21, 6104508), (28, 4578381), (36, 3560963), (42, 3052254), (63, 2034836), (84, 1526127), (126, 1017418), (252, 508709)]