1387242479

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{1217}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 1655671248

約数和(自身を除く): 268428769

約数列:

[1, 7, 43, 49, 301, 541, 1217, 2107, 3787, 8519, 23263, 26509, 52331, 59633, 162841, 366317, 658397, 1139887, 2564219, 4608779, 28311071, 32261453, 198177497, 1387242479]

約数ペア:

[(1, 1387242479), (7, 198177497), (43, 32261453), (49, 28311071), (301, 4608779), (541, 2564219), (1217, 1139887), (2107, 658397), (3787, 366317), (8519, 162841), (23263, 59633), (26509, 52331)]