28971515

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 36053760

約数和(自身を除く): 7082245

約数列:

[1, 5, 31, 155, 409, 457, 2045, 2285, 12679, 14167, 63395, 70835, 186913, 934565, 5794303, 28971515]

約数ペア:

[(1, 28971515), (5, 5794303), (31, 934565), (155, 186913), (409, 70835), (457, 63395), (2045, 14167), (2285, 12679)]