90145636

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 185149440

約数和(自身を除く): 95003804

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 158, 166, 316, 332, 491, 553, 581, 982, 1106, 1162, 1964, 2212, 2324, 3437, 6557, 6874, 13114, 13748, 26228, 38789, 40753, 45899, 77578, 81506, 91798, 155156, 163012, 183596, 271523, 285271, 543046, 570542, 1086092, 1141084, 3219487, 6438974, 12877948, 22536409, 45072818, 90145636]

約数ペア:

[(1, 90145636), (2, 45072818), (4, 22536409), (7, 12877948), (14, 6438974), (28, 3219487), (79, 1141084), (83, 1086092), (158, 570542), (166, 543046), (316, 285271), (332, 271523), (491, 183596), (553, 163012), (581, 155156), (982, 91798), (1106, 81506), (1162, 77578), (1964, 45899), (2212, 40753), (2324, 38789), (3437, 26228), (6557, 13748), (6874, 13114)]