26542525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 36992052

約数和(自身を除く): 10449527

約数列:

[1, 5, 17, 19, 25, 85, 95, 173, 323, 361, 425, 475, 865, 1615, 1805, 2941, 3287, 4325, 6137, 8075, 9025, 14705, 16435, 30685, 55879, 62453, 73525, 82175, 153425, 279395, 312265, 1061701, 1396975, 1561325, 5308505, 26542525]

約数ペア:

[(1, 26542525), (5, 5308505), (17, 1561325), (19, 1396975), (25, 1061701), (85, 312265), (95, 279395), (173, 153425), (323, 82175), (361, 73525), (425, 62453), (475, 55879), (865, 30685), (1615, 16435), (1805, 14705), (2941, 9025), (3287, 8075), (4325, 6137)]