165668495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 47221105

約数列:

[1, 5, 31, 41, 131, 155, 199, 205, 655, 995, 1271, 4061, 5371, 6169, 6355, 8159, 20305, 26069, 26855, 30845, 40795, 130345, 166501, 252929, 808139, 832505, 1068829, 1264645, 4040695, 5344145, 33133699, 165668495]

約数ペア:

[(1, 165668495), (5, 33133699), (31, 5344145), (41, 4040695), (131, 1264645), (155, 1068829), (199, 832505), (205, 808139), (655, 252929), (995, 166501), (1271, 130345), (4061, 40795), (5371, 30845), (6169, 26855), (6355, 26069), (8159, 20305)]