28503142

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 43604352

約数和(自身を除く): 15101210

約数列:

[1, 2, 73, 146, 197, 394, 991, 1982, 14381, 28762, 72343, 144686, 195227, 390454, 14251571, 28503142]

約数ペア:

[(1, 28503142), (2, 14251571), (73, 390454), (146, 195227), (197, 144686), (394, 72343), (991, 28762), (1982, 14381)]