386980972

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^2\times {\mathrm{349}}^1$

素因数の和:758

約数の個数: 36

約数和(自身を含む): 780099600

約数和(自身を除く): 393118628

約数列:

[1, 2, 4, 7, 14, 28, 199, 349, 398, 698, 796, 1393, 1396, 2443, 2786, 4886, 5572, 9772, 39601, 69451, 79202, 138902, 158404, 277207, 277804, 486157, 554414, 972314, 1108828, 1944628, 13820749, 27641498, 55282996, 96745243, 193490486, 386980972]

約数ペア:

[(1, 386980972), (2, 193490486), (4, 96745243), (7, 55282996), (14, 27641498), (28, 13820749), (199, 1944628), (349, 1108828), (398, 972314), (698, 554414), (796, 486157), (1393, 277804), (1396, 277207), (2443, 158404), (2786, 138902), (4886, 79202), (5572, 69451), (9772, 39601)]