129667916

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21341}}^1$

素因数の和:21390

約数の個数: 36

約数和(自身を含む): 272494656

約数和(自身を除く): 142826740

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21341, 42682, 85364, 149387, 298774, 597548, 661571, 1045709, 1323142, 2091418, 2646284, 4182836, 4630997, 9261994, 18523988, 32416979, 64833958, 129667916]

約数ペア:

[(1, 129667916), (2, 64833958), (4, 32416979), (7, 18523988), (14, 9261994), (28, 4630997), (31, 4182836), (49, 2646284), (62, 2091418), (98, 1323142), (124, 1045709), (196, 661571), (217, 597548), (434, 298774), (868, 149387), (1519, 85364), (3038, 42682), (6076, 21341)]