16621276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 35392000

約数和(自身を除く): 18770724

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 199, 266, 314, 398, 532, 628, 796, 1099, 1393, 2198, 2786, 2983, 3781, 4396, 5572, 5966, 7562, 11932, 15124, 20881, 26467, 31243, 41762, 52934, 62486, 83524, 105868, 124972, 218701, 437402, 593617, 874804, 1187234, 2374468, 4155319, 8310638, 16621276]

約数ペア:

[(1, 16621276), (2, 8310638), (4, 4155319), (7, 2374468), (14, 1187234), (19, 874804), (28, 593617), (38, 437402), (76, 218701), (133, 124972), (157, 105868), (199, 83524), (266, 62486), (314, 52934), (398, 41762), (532, 31243), (628, 26467), (796, 20881), (1099, 15124), (1393, 11932), (2198, 7562), (2786, 5966), (2983, 5572), (3781, 4396)]