81267494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 158989824

約数和(自身を除く): 77722330

約数列:

[1, 2, 7, 11, 14, 22, 41, 61, 77, 82, 122, 154, 211, 287, 422, 427, 451, 574, 671, 854, 902, 1342, 1477, 2321, 2501, 2954, 3157, 4642, 4697, 5002, 6314, 8651, 9394, 12871, 16247, 17302, 17507, 25742, 27511, 32494, 35014, 55022, 60557, 90097, 95161, 121114, 141581, 180194, 190322, 192577, 283162, 385154, 527711, 666127, 991067, 1055422, 1332254, 1982134, 3693977, 5804821, 7387954, 11609642, 40633747, 81267494]

約数ペア:

[(1, 81267494), (2, 40633747), (7, 11609642), (11, 7387954), (14, 5804821), (22, 3693977), (41, 1982134), (61, 1332254), (77, 1055422), (82, 991067), (122, 666127), (154, 527711), (211, 385154), (287, 283162), (422, 192577), (427, 190322), (451, 180194), (574, 141581), (671, 121114), (854, 95161), (902, 90097), (1342, 60557), (1477, 55022), (2321, 35014), (2501, 32494), (2954, 27511), (3157, 25742), (4642, 17507), (4697, 17302), (5002, 16247), (6314, 12871), (8651, 9394)]