28987818

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{72109}}^1$

素因数の和:72181

約数の個数: 16

約数和(自身を含む): 58841760

約数和(自身を除く): 29853942

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 72109, 144218, 216327, 432654, 4831303, 9662606, 14493909, 28987818]

約数ペア:

[(1, 28987818), (2, 14493909), (3, 9662606), (6, 4831303), (67, 432654), (134, 216327), (201, 144218), (402, 72109)]