81179574

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 189604800

約数和(自身を除く): 108425226

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 419, 659, 838, 1257, 1318, 1977, 2514, 2933, 3954, 4613, 5866, 8799, 9226, 13839, 17598, 20531, 27678, 32291, 41062, 61593, 64582, 96873, 123186, 193746, 276121, 552242, 828363, 1656726, 1932847, 3865694, 5798541, 11597082, 13529929, 27059858, 40589787, 81179574]

約数ペア:

[(1, 81179574), (2, 40589787), (3, 27059858), (6, 13529929), (7, 11597082), (14, 5798541), (21, 3865694), (42, 1932847), (49, 1656726), (98, 828363), (147, 552242), (294, 276121), (419, 193746), (659, 123186), (838, 96873), (1257, 64582), (1318, 61593), (1977, 41062), (2514, 32291), (2933, 27678), (3954, 20531), (4613, 17598), (5866, 13839), (8799, 9226)]