128221354

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 206226000

約数和(自身を除く): 78004646

約数列:

[1, 2, 29, 37, 58, 74, 149, 298, 401, 802, 1073, 2146, 4321, 5513, 8642, 11026, 11629, 14837, 23258, 29674, 59749, 119498, 159877, 319754, 430273, 860546, 1732721, 2210713, 3465442, 4421426, 64110677, 128221354]

約数ペア:

[(1, 128221354), (2, 64110677), (29, 4421426), (37, 3465442), (58, 2210713), (74, 1732721), (149, 860546), (298, 430273), (401, 319754), (802, 159877), (1073, 119498), (2146, 59749), (4321, 29674), (5513, 23258), (8642, 14837), (11026, 11629)]