19970485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 24967152

約数和(自身を除く): 4996667

約数列:

[1, 5, 41, 61, 205, 305, 1597, 2501, 7985, 12505, 65477, 97417, 327385, 487085, 3994097, 19970485]

約数ペア:

[(1, 19970485), (5, 3994097), (41, 487085), (61, 327385), (205, 97417), (305, 65477), (1597, 12505), (2501, 7985)]