25442252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 49796376

約数和(自身を除く): 24354124

約数列:

[1, 2, 4, 11, 22, 44, 73, 89, 146, 178, 292, 356, 803, 979, 1606, 1958, 3212, 3916, 6497, 7921, 12994, 15842, 25988, 31684, 71467, 87131, 142934, 174262, 285868, 348524, 578233, 1156466, 2312932, 6360563, 12721126, 25442252]

約数ペア:

[(1, 25442252), (2, 12721126), (4, 6360563), (11, 2312932), (22, 1156466), (44, 578233), (73, 348524), (89, 285868), (146, 174262), (178, 142934), (292, 87131), (356, 71467), (803, 31684), (979, 25988), (1606, 15842), (1958, 12994), (3212, 7921), (3916, 6497)]