660927254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 1145733120

約数和(自身を除く): 484805866

約数列:

[1, 2, 13, 26, 31, 47, 62, 73, 94, 146, 239, 403, 478, 611, 806, 949, 1222, 1457, 1898, 2263, 2914, 3107, 3431, 4526, 6214, 6862, 7409, 11233, 14818, 17447, 18941, 22466, 29419, 34894, 37882, 44603, 58838, 89206, 96317, 106361, 146029, 192634, 212722, 226811, 292058, 348223, 453622, 540857, 696446, 820009, 1081714, 1382693, 1640018, 2765386, 4526899, 7031141, 9053798, 10660117, 14062282, 21320234, 25420279, 50840558, 330463627, 660927254]

約数ペア:

[(1, 660927254), (2, 330463627), (13, 50840558), (26, 25420279), (31, 21320234), (47, 14062282), (62, 10660117), (73, 9053798), (94, 7031141), (146, 4526899), (239, 2765386), (403, 1640018), (478, 1382693), (611, 1081714), (806, 820009), (949, 696446), (1222, 540857), (1457, 453622), (1898, 348223), (2263, 292058), (2914, 226811), (3107, 212722), (3431, 192634), (4526, 146029), (6214, 106361), (6862, 96317), (7409, 89206), (11233, 58838), (14818, 44603), (17447, 37882), (18941, 34894), (22466, 29419)]