81610008

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 210561120

約数和(自身を除く): 128951112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 197, 246, 328, 394, 421, 492, 591, 788, 842, 984, 1182, 1263, 1576, 1684, 2364, 2526, 3368, 4728, 5052, 8077, 10104, 16154, 17261, 24231, 32308, 34522, 48462, 51783, 64616, 69044, 82937, 96924, 103566, 138088, 165874, 193848, 207132, 248811, 331748, 414264, 497622, 663496, 995244, 1990488, 3400417, 6800834, 10201251, 13601668, 20402502, 27203336, 40805004, 81610008]

約数ペア:

[(1, 81610008), (2, 40805004), (3, 27203336), (4, 20402502), (6, 13601668), (8, 10201251), (12, 6800834), (24, 3400417), (41, 1990488), (82, 995244), (123, 663496), (164, 497622), (197, 414264), (246, 331748), (328, 248811), (394, 207132), (421, 193848), (492, 165874), (591, 138088), (788, 103566), (842, 96924), (984, 82937), (1182, 69044), (1263, 64616), (1576, 51783), (1684, 48462), (2364, 34522), (2526, 32308), (3368, 24231), (4728, 17261), (5052, 16154), (8077, 10104)]