81236316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138157}}^1$

素因数の和:138178

約数の個数: 36

約数和(自身を含む): 220500168

約数和(自身を除く): 139263852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138157, 276314, 414471, 552628, 828942, 967099, 1657884, 1934198, 2901297, 3868396, 5802594, 6769693, 11605188, 13539386, 20309079, 27078772, 40618158, 81236316]

約数ペア:

[(1, 81236316), (2, 40618158), (3, 27078772), (4, 20309079), (6, 13539386), (7, 11605188), (12, 6769693), (14, 5802594), (21, 3868396), (28, 2901297), (42, 1934198), (49, 1657884), (84, 967099), (98, 828942), (147, 552628), (196, 414471), (294, 276314), (588, 138157)]