2007218876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{42937}}^1$

素因数の和:43014

約数の個数: 48

約数和(自身を含む): 4039607040

約数和(自身を除く): 2032388164

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 62, 116, 124, 377, 403, 754, 806, 899, 1508, 1612, 1798, 3596, 11687, 23374, 42937, 46748, 85874, 171748, 558181, 1116362, 1245173, 1331047, 2232724, 2490346, 2662094, 4980692, 5324188, 16187249, 17303611, 32374498, 34607222, 38600363, 64748996, 69214444, 77200726, 154401452, 501804719, 1003609438, 2007218876]

約数ペア:

[(1, 2007218876), (2, 1003609438), (4, 501804719), (13, 154401452), (26, 77200726), (29, 69214444), (31, 64748996), (52, 38600363), (58, 34607222), (62, 32374498), (116, 17303611), (124, 16187249), (377, 5324188), (403, 4980692), (754, 2662094), (806, 2490346), (899, 2232724), (1508, 1331047), (1612, 1245173), (1798, 1116362), (3596, 558181), (11687, 171748), (23374, 85874), (42937, 46748)]