81204835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 109330560

約数和(自身を除く): 28125725

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 569, 1241, 1679, 1955, 2845, 6205, 8395, 9673, 13087, 28543, 41537, 48365, 65435, 142715, 207685, 222479, 706129, 955351, 1112395, 3530645, 4776755, 16240967, 81204835]

約数ペア:

[(1, 81204835), (5, 16240967), (17, 4776755), (23, 3530645), (73, 1112395), (85, 955351), (115, 706129), (365, 222479), (391, 207685), (569, 142715), (1241, 65435), (1679, 48365), (1955, 41537), (2845, 28543), (6205, 13087), (8395, 9673)]