72185132

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 137313792

約数和(自身を除く): 65128660

約数列:

[1, 2, 4, 23, 43, 46, 71, 86, 92, 142, 172, 257, 284, 514, 989, 1028, 1633, 1978, 3053, 3266, 3956, 5911, 6106, 6532, 11051, 11822, 12212, 18247, 22102, 23644, 36494, 44204, 70219, 72988, 140438, 254173, 280876, 419681, 508346, 784621, 839362, 1016692, 1569242, 1678724, 3138484, 18046283, 36092566, 72185132]

約数ペア:

[(1, 72185132), (2, 36092566), (4, 18046283), (23, 3138484), (43, 1678724), (46, 1569242), (71, 1016692), (86, 839362), (92, 784621), (142, 508346), (172, 419681), (257, 280876), (284, 254173), (514, 140438), (989, 72988), (1028, 70219), (1633, 44204), (1978, 36494), (3053, 23644), (3266, 22102), (3956, 18247), (5911, 12212), (6106, 11822), (6532, 11051)]