28789186

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 43944120

約数和(自身を除く): 15154934

約数列:

[1, 2, 89, 178, 197, 394, 821, 1642, 17533, 35066, 73069, 146138, 161737, 323474, 14394593, 28789186]

約数ペア:

[(1, 28789186), (2, 14394593), (89, 323474), (178, 161737), (197, 146138), (394, 73069), (821, 35066), (1642, 17533)]