199901208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2087}}^1$

素因数の和:2416

約数の個数: 64

約数和(自身を含む): 540207360

約数和(自身を除く): 340306152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 307, 312, 614, 921, 1228, 1842, 2087, 2456, 3684, 3991, 4174, 6261, 7368, 7982, 8348, 11973, 12522, 15964, 16696, 23946, 25044, 27131, 31928, 47892, 50088, 54262, 81393, 95784, 108524, 162786, 217048, 325572, 640709, 651144, 1281418, 1922127, 2562836, 3844254, 5125672, 7688508, 8329217, 15377016, 16658434, 24987651, 33316868, 49975302, 66633736, 99950604, 199901208]

約数ペア:

[(1, 199901208), (2, 99950604), (3, 66633736), (4, 49975302), (6, 33316868), (8, 24987651), (12, 16658434), (13, 15377016), (24, 8329217), (26, 7688508), (39, 5125672), (52, 3844254), (78, 2562836), (104, 1922127), (156, 1281418), (307, 651144), (312, 640709), (614, 325572), (921, 217048), (1228, 162786), (1842, 108524), (2087, 95784), (2456, 81393), (3684, 54262), (3991, 50088), (4174, 47892), (6261, 31928), (7368, 27131), (7982, 25044), (8348, 23946), (11973, 16696), (12522, 15964)]