81205992

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161123}}^1$

素因数の和:161142

約数の個数: 48

約数和(自身を含む): 251353440

約数和(自身を除く): 170147448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161123, 322246, 483369, 644492, 966738, 1127861, 1288984, 1450107, 1933476, 2255722, 2900214, 3383583, 3866952, 4511444, 5800428, 6767166, 9022888, 10150749, 11600856, 13534332, 20301498, 27068664, 40602996, 81205992]

約数ペア:

[(1, 81205992), (2, 40602996), (3, 27068664), (4, 20301498), (6, 13534332), (7, 11600856), (8, 10150749), (9, 9022888), (12, 6767166), (14, 5800428), (18, 4511444), (21, 3866952), (24, 3383583), (28, 2900214), (36, 2255722), (42, 1933476), (56, 1450107), (63, 1288984), (72, 1127861), (84, 966738), (126, 644492), (168, 483369), (252, 322246), (504, 161123)]