192991988

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1453

約数の個数: 72

約数和(自身を含む): 423489024

約数和(自身を除く): 230497036

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 161, 196, 217, 322, 434, 644, 713, 868, 1127, 1381, 1426, 1519, 2254, 2762, 2852, 3038, 4508, 4991, 5524, 6076, 9667, 9982, 19334, 19964, 31763, 34937, 38668, 42811, 63526, 67669, 69874, 85622, 127052, 135338, 139748, 171244, 222341, 270676, 299677, 444682, 599354, 889364, 984653, 1198708, 1556387, 1969306, 2097739, 3112774, 3938612, 4195478, 6225548, 6892571, 8390956, 13785142, 27570284, 48247997, 96495994, 192991988]

約数ペア:

[(1, 192991988), (2, 96495994), (4, 48247997), (7, 27570284), (14, 13785142), (23, 8390956), (28, 6892571), (31, 6225548), (46, 4195478), (49, 3938612), (62, 3112774), (92, 2097739), (98, 1969306), (124, 1556387), (161, 1198708), (196, 984653), (217, 889364), (322, 599354), (434, 444682), (644, 299677), (713, 270676), (868, 222341), (1127, 171244), (1381, 139748), (1426, 135338), (1519, 127052), (2254, 85622), (2762, 69874), (2852, 67669), (3038, 63526), (4508, 42811), (4991, 38668), (5524, 34937), (6076, 31763), (9667, 19964), (9982, 19334)]