138188456

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{22639}}^1$

素因数の和:22761

約数の個数: 32

約数和(自身を含む): 298848000

約数和(自身を除く): 160659544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 22639, 45278, 90556, 158473, 181112, 316946, 633892, 1267784, 2467651, 4935302, 9870604, 17273557, 19741208, 34547114, 69094228, 138188456]

約数ペア:

[(1, 138188456), (2, 69094228), (4, 34547114), (7, 19741208), (8, 17273557), (14, 9870604), (28, 4935302), (56, 2467651), (109, 1267784), (218, 633892), (436, 316946), (763, 181112), (872, 158473), (1526, 90556), (3052, 45278), (6104, 22639)]