13213550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 29581440

約数和(自身を除く): 16367890

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 1987, 3325, 3974, 6650, 9935, 13909, 19870, 27818, 37753, 49675, 69545, 75506, 99350, 139090, 188765, 264271, 347725, 377530, 528542, 695450, 943825, 1321355, 1887650, 2642710, 6606775, 13213550]

約数ペア:

[(1, 13213550), (2, 6606775), (5, 2642710), (7, 1887650), (10, 1321355), (14, 943825), (19, 695450), (25, 528542), (35, 377530), (38, 347725), (50, 264271), (70, 188765), (95, 139090), (133, 99350), (175, 75506), (190, 69545), (266, 49675), (350, 37753), (475, 27818), (665, 19870), (950, 13909), (1330, 9935), (1987, 6650), (3325, 3974)]