505702990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{16987}}^1$

素因数の和:17236

約数の個数: 32

約数和(自身を含む): 984624480

約数和(自身を除く): 478921490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 14885, 16987, 29770, 33974, 84935, 169870, 220831, 441662, 1104155, 2208310, 3890023, 7780046, 19450115, 38900230, 50570299, 101140598, 252851495, 505702990]

約数ペア:

[(1, 505702990), (2, 252851495), (5, 101140598), (10, 50570299), (13, 38900230), (26, 19450115), (65, 7780046), (130, 3890023), (229, 2208310), (458, 1104155), (1145, 441662), (2290, 220831), (2977, 169870), (5954, 84935), (14885, 33974), (16987, 29770)]