1638962368

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2505

約数の個数: 56

約数和(自身を含む): 3315472160

約数和(自身を除く): 1676509792

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 109, 206, 218, 412, 436, 824, 872, 1648, 1744, 2281, 3296, 3488, 4562, 6592, 6976, 9124, 11227, 18248, 22454, 36496, 44908, 72992, 89816, 145984, 179632, 234943, 248629, 359264, 469886, 497258, 718528, 939772, 994516, 1879544, 1989032, 3759088, 3978064, 7518176, 7956128, 15036352, 15912256, 25608787, 51217574, 102435148, 204870296, 409740592, 819481184, 1638962368]

約数ペア:

[(1, 1638962368), (2, 819481184), (4, 409740592), (8, 204870296), (16, 102435148), (32, 51217574), (64, 25608787), (103, 15912256), (109, 15036352), (206, 7956128), (218, 7518176), (412, 3978064), (436, 3759088), (824, 1989032), (872, 1879544), (1648, 994516), (1744, 939772), (2281, 718528), (3296, 497258), (3488, 469886), (4562, 359264), (6592, 248629), (6976, 234943), (9124, 179632), (11227, 145984), (18248, 89816), (22454, 72992), (36496, 44908)]