31918666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 53258688

約数和(自身を除く): 21340022

約数列:

[1, 2, 13, 26, 67, 73, 134, 146, 251, 502, 871, 949, 1742, 1898, 3263, 4891, 6526, 9782, 16817, 18323, 33634, 36646, 63583, 127166, 218621, 238199, 437242, 476398, 1227641, 2455282, 15959333, 31918666]

約数ペア:

[(1, 31918666), (2, 15959333), (13, 2455282), (26, 1227641), (67, 476398), (73, 437242), (134, 238199), (146, 218621), (251, 127166), (502, 63583), (871, 36646), (949, 33634), (1742, 18323), (1898, 16817), (3263, 9782), (4891, 6526)]