66745790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{215309}}^1$

素因数の和:215347

約数の個数: 16

約数和(自身を含む): 124018560

約数和(自身を除く): 57272770

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 215309, 430618, 1076545, 2153090, 6674579, 13349158, 33372895, 66745790]

約数ペア:

[(1, 66745790), (2, 33372895), (5, 13349158), (10, 6674579), (31, 2153090), (62, 1076545), (155, 430618), (310, 215309)]