81028626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 191289600

約数和(自身を除く): 110260974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 89, 106, 159, 178, 267, 318, 371, 409, 534, 623, 742, 818, 1113, 1227, 1246, 1869, 2226, 2454, 2863, 3738, 4717, 5726, 8589, 9434, 14151, 17178, 21677, 28302, 33019, 36401, 43354, 65031, 66038, 72802, 99057, 109203, 130062, 151739, 198114, 218406, 254807, 303478, 455217, 509614, 764421, 910434, 1528842, 1929253, 3858506, 5787759, 11575518, 13504771, 27009542, 40514313, 81028626]

約数ペア:

[(1, 81028626), (2, 40514313), (3, 27009542), (6, 13504771), (7, 11575518), (14, 5787759), (21, 3858506), (42, 1929253), (53, 1528842), (89, 910434), (106, 764421), (159, 509614), (178, 455217), (267, 303478), (318, 254807), (371, 218406), (409, 198114), (534, 151739), (623, 130062), (742, 109203), (818, 99057), (1113, 72802), (1227, 66038), (1246, 65031), (1869, 43354), (2226, 36401), (2454, 33019), (2863, 28302), (3738, 21677), (4717, 17178), (5726, 14151), (8589, 9434)]