16780078

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 13747922

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 317, 398, 634, 1393, 2219, 2786, 3781, 4438, 6023, 7562, 12046, 26467, 42161, 52934, 63083, 84322, 126166, 441581, 883162, 1198577, 2397154, 8390039, 16780078]

約数ペア:

[(1, 16780078), (2, 8390039), (7, 2397154), (14, 1198577), (19, 883162), (38, 441581), (133, 126166), (199, 84322), (266, 63083), (317, 52934), (398, 42161), (634, 26467), (1393, 12046), (2219, 7562), (2786, 6023), (3781, 4438)]