220121456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 438711504

約数和(自身を除く): 218590048

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 307, 328, 614, 656, 1093, 1228, 2186, 2456, 4372, 4912, 8744, 12587, 17488, 25174, 44813, 50348, 89626, 100696, 179252, 201392, 335551, 358504, 671102, 717008, 1342204, 2684408, 5368816, 13757591, 27515182, 55030364, 110060728, 220121456]

約数ペア:

[(1, 220121456), (2, 110060728), (4, 55030364), (8, 27515182), (16, 13757591), (41, 5368816), (82, 2684408), (164, 1342204), (307, 717008), (328, 671102), (614, 358504), (656, 335551), (1093, 201392), (1228, 179252), (2186, 100696), (2456, 89626), (4372, 50348), (4912, 44813), (8744, 25174), (12587, 17488)]