666528830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2873

約数の個数: 64

約数和(自身を含む): 1370566656

約数和(自身を除く): 704037826

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 71, 110, 142, 155, 310, 341, 355, 682, 710, 781, 1562, 1705, 2201, 2753, 3410, 3905, 4402, 5506, 7810, 11005, 13765, 22010, 24211, 27530, 30283, 48422, 60566, 85343, 121055, 151415, 170686, 195463, 242110, 302830, 390926, 426715, 853430, 938773, 977315, 1877546, 1954630, 2150093, 4300186, 4693865, 6059353, 9387730, 10750465, 12118706, 21500930, 30296765, 60593530, 66652883, 133305766, 333264415, 666528830]

約数ペア:

[(1, 666528830), (2, 333264415), (5, 133305766), (10, 66652883), (11, 60593530), (22, 30296765), (31, 21500930), (55, 12118706), (62, 10750465), (71, 9387730), (110, 6059353), (142, 4693865), (155, 4300186), (310, 2150093), (341, 1954630), (355, 1877546), (682, 977315), (710, 938773), (781, 853430), (1562, 426715), (1705, 390926), (2201, 302830), (2753, 242110), (3410, 195463), (3905, 170686), (4402, 151415), (5506, 121055), (7810, 85343), (11005, 60566), (13765, 48422), (22010, 30283), (24211, 27530)]