31928038

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 48746880

約数和(自身を除く): 16818842

約数列:

[1, 2, 89, 178, 181, 362, 991, 1982, 16109, 32218, 88199, 176398, 179371, 358742, 15964019, 31928038]

約数ペア:

[(1, 31928038), (2, 15964019), (89, 358742), (178, 179371), (181, 176398), (362, 88199), (991, 32218), (1982, 16109)]