123721976

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20269}}^1$

素因数の和:20391

約数の個数: 32

約数和(自身を含む): 267564000

約数和(自身を除く): 143842024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 20269, 40538, 81076, 141883, 162152, 283766, 567532, 1135064, 2209321, 4418642, 8837284, 15465247, 17674568, 30930494, 61860988, 123721976]

約数ペア:

[(1, 123721976), (2, 61860988), (4, 30930494), (7, 17674568), (8, 15465247), (14, 8837284), (28, 4418642), (56, 2209321), (109, 1135064), (218, 567532), (436, 283766), (763, 162152), (872, 141883), (1526, 81076), (3052, 40538), (6104, 20269)]