7780458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 18921024

約数和(自身を除く): 11140566

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 641, 714, 867, 1282, 1734, 1923, 2023, 3846, 4046, 4487, 6069, 8974, 10897, 12138, 13461, 21794, 26922, 32691, 65382, 76279, 152558, 185249, 228837, 370498, 457674, 555747, 1111494, 1296743, 2593486, 3890229, 7780458]

約数ペア:

[(1, 7780458), (2, 3890229), (3, 2593486), (6, 1296743), (7, 1111494), (14, 555747), (17, 457674), (21, 370498), (34, 228837), (42, 185249), (51, 152558), (102, 76279), (119, 65382), (238, 32691), (289, 26922), (357, 21794), (578, 13461), (641, 12138), (714, 10897), (867, 8974), (1282, 6069), (1734, 4487), (1923, 4046), (2023, 3846)]