2155702988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{216523}}^1$

素因数の和:216677

約数の個数: 24

約数和(自身を含む): 4001363520

約数和(自身を除く): 1845660532

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 216523, 433046, 866092, 4113937, 8227874, 16455748, 28364513, 56729026, 113458052, 538925747, 1077851494, 2155702988]

約数ペア:

[(1, 2155702988), (2, 1077851494), (4, 538925747), (19, 113458052), (38, 56729026), (76, 28364513), (131, 16455748), (262, 8227874), (524, 4113937), (2489, 866092), (4978, 433046), (9956, 216523)]