81747590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 150633216

約数和(自身を除く): 68885626

約数列:

[1, 2, 5, 10, 73, 113, 146, 226, 365, 565, 730, 991, 1130, 1982, 4955, 8249, 9910, 16498, 41245, 72343, 82490, 111983, 144686, 223966, 361715, 559915, 723430, 1119830, 8174759, 16349518, 40873795, 81747590]

約数ペア:

[(1, 81747590), (2, 40873795), (5, 16349518), (10, 8174759), (73, 1119830), (113, 723430), (146, 559915), (226, 361715), (365, 223966), (565, 144686), (730, 111983), (991, 82490), (1130, 72343), (1982, 41245), (4955, 16498), (8249, 9910)]