40781758

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1163}}^1$

素因数の和:1451

約数の個数: 16

約数和(自身を含む): 62227440

約数和(自身を除く): 21445682

約数列:

[1, 2, 89, 178, 197, 394, 1163, 2326, 17533, 35066, 103507, 207014, 229111, 458222, 20390879, 40781758]

約数ペア:

[(1, 40781758), (2, 20390879), (89, 458222), (178, 229111), (197, 207014), (394, 103507), (1163, 35066), (2326, 17533)]