39891472

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 80631000

約数和(自身を除く): 40739528

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 149, 232, 298, 464, 577, 596, 1154, 1192, 2308, 2384, 4321, 4616, 8642, 9232, 16733, 17284, 33466, 34568, 66932, 69136, 85973, 133864, 171946, 267728, 343892, 687784, 1375568, 2493217, 4986434, 9972868, 19945736, 39891472]

約数ペア:

[(1, 39891472), (2, 19945736), (4, 9972868), (8, 4986434), (16, 2493217), (29, 1375568), (58, 687784), (116, 343892), (149, 267728), (232, 171946), (298, 133864), (464, 85973), (577, 69136), (596, 66932), (1154, 34568), (1192, 33466), (2308, 17284), (2384, 16733), (4321, 9232), (4616, 8642)]