220550554

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 418037760

約数和(自身を除く): 197487206

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 167, 179, 217, 238, 334, 358, 434, 527, 1054, 1169, 1253, 2338, 2506, 2839, 3043, 3689, 5177, 5549, 5678, 6086, 7378, 10354, 11098, 19873, 21301, 29893, 36239, 38843, 39746, 42602, 59786, 72478, 77686, 88009, 94333, 176018, 188666, 209251, 418502, 508181, 616063, 660331, 926683, 1016362, 1232126, 1320662, 1853366, 3557267, 6486781, 7114534, 12973562, 15753611, 31507222, 110275277, 220550554]

約数ペア:

[(1, 220550554), (2, 110275277), (7, 31507222), (14, 15753611), (17, 12973562), (31, 7114534), (34, 6486781), (62, 3557267), (119, 1853366), (167, 1320662), (179, 1232126), (217, 1016362), (238, 926683), (334, 660331), (358, 616063), (434, 508181), (527, 418502), (1054, 209251), (1169, 188666), (1253, 176018), (2338, 94333), (2506, 88009), (2839, 77686), (3043, 72478), (3689, 59786), (5177, 42602), (5549, 39746), (5678, 38843), (6086, 36239), (7378, 29893), (10354, 21301), (11098, 19873)]