1531831808

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{230143}}^1$

素因数の和:230174

約数の個数: 40

約数和(自身を含む): 3296122368

約数和(自身を除く): 1764290560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 230143, 460286, 920572, 1841144, 2991859, 3682288, 5983718, 7364576, 11967436, 14729152, 23934872, 29458304, 47869744, 58916608, 95739488, 117833216, 191478976, 382957952, 765915904, 1531831808]

約数ペア:

[(1, 1531831808), (2, 765915904), (4, 382957952), (8, 191478976), (13, 117833216), (16, 95739488), (26, 58916608), (32, 47869744), (52, 29458304), (64, 23934872), (104, 14729152), (128, 11967436), (208, 7364576), (256, 5983718), (416, 3682288), (512, 2991859), (832, 1841144), (1664, 920572), (3328, 460286), (6656, 230143)]