28961874

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 80

約数和(自身を含む): 68766720

約数和(自身を除く): 39804846

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 73, 79, 81, 93, 146, 158, 162, 186, 219, 237, 279, 438, 474, 558, 657, 711, 837, 1314, 1422, 1674, 1971, 2133, 2263, 2449, 2511, 3942, 4266, 4526, 4898, 5022, 5767, 5913, 6399, 6789, 7347, 11534, 11826, 12798, 13578, 14694, 17301, 20367, 22041, 34602, 40734, 44082, 51903, 61101, 66123, 103806, 122202, 132246, 155709, 178777, 183303, 198369, 311418, 357554, 366606, 396738, 467127, 536331, 934254, 1072662, 1608993, 3217986, 4826979, 9653958, 14480937, 28961874]

約数ペア:

[(1, 28961874), (2, 14480937), (3, 9653958), (6, 4826979), (9, 3217986), (18, 1608993), (27, 1072662), (31, 934254), (54, 536331), (62, 467127), (73, 396738), (79, 366606), (81, 357554), (93, 311418), (146, 198369), (158, 183303), (162, 178777), (186, 155709), (219, 132246), (237, 122202), (279, 103806), (438, 66123), (474, 61101), (558, 51903), (657, 44082), (711, 40734), (837, 34602), (1314, 22041), (1422, 20367), (1674, 17301), (1971, 14694), (2133, 13578), (2263, 12798), (2449, 11826), (2511, 11534), (3942, 7347), (4266, 6789), (4526, 6399), (4898, 5913), (5022, 5767)]