25711312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 54630432

約数和(自身を除く): 28919120

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 347, 421, 694, 842, 1388, 1684, 2776, 3368, 3817, 4631, 5552, 6736, 7634, 9262, 15268, 18524, 30536, 37048, 61072, 74096, 146087, 292174, 584348, 1168696, 1606957, 2337392, 3213914, 6427828, 12855656, 25711312]

約数ペア:

[(1, 25711312), (2, 12855656), (4, 6427828), (8, 3213914), (11, 2337392), (16, 1606957), (22, 1168696), (44, 584348), (88, 292174), (176, 146087), (347, 74096), (421, 61072), (694, 37048), (842, 30536), (1388, 18524), (1684, 15268), (2776, 9262), (3368, 7634), (3817, 6736), (4631, 5552)]