1891979776

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{217369}}^1$

素因数の和:217404

約数の個数: 40

約数和(自身を含む): 4002651180

約数和(自身を除く): 2110671404

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 217369, 434738, 869476, 1738952, 3477904, 3695273, 6955808, 7390546, 13911616, 14781092, 27823232, 29562184, 55646464, 59124368, 111292928, 118248736, 236497472, 472994944, 945989888, 1891979776]

約数ペア:

[(1, 1891979776), (2, 945989888), (4, 472994944), (8, 236497472), (16, 118248736), (17, 111292928), (32, 59124368), (34, 55646464), (64, 29562184), (68, 27823232), (128, 14781092), (136, 13911616), (256, 7390546), (272, 6955808), (512, 3695273), (544, 3477904), (1088, 1738952), (2176, 869476), (4352, 434738), (8704, 217369)]