2017018985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 2546649504

約数和(自身を除く): 529630519

約数列:

[1, 5, 41, 61, 101, 205, 305, 505, 1597, 2501, 4141, 6161, 7985, 12505, 20705, 30805, 65477, 97417, 161297, 252601, 327385, 487085, 806485, 1263005, 3994097, 6613177, 9839117, 19970485, 33065885, 49195585, 403403797, 2017018985]

約数ペア:

[(1, 2017018985), (5, 403403797), (41, 49195585), (61, 33065885), (101, 19970485), (205, 9839117), (305, 6613177), (505, 3994097), (1597, 1263005), (2501, 806485), (4141, 487085), (6161, 327385), (7985, 252601), (12505, 161297), (20705, 97417), (30805, 65477)]