72221725

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 96549376

約数和(自身を除く): 24327651

約数列:

[1, 5, 23, 25, 43, 115, 127, 215, 529, 575, 635, 989, 1075, 2645, 2921, 3175, 4945, 5461, 13225, 14605, 22747, 24725, 27305, 67183, 73025, 113735, 125603, 136525, 335915, 568675, 628015, 1679575, 2888869, 3140075, 14444345, 72221725]

約数ペア:

[(1, 72221725), (5, 14444345), (23, 3140075), (25, 2888869), (43, 1679575), (115, 628015), (127, 568675), (215, 335915), (529, 136525), (575, 125603), (635, 113735), (989, 73025), (1075, 67183), (2645, 27305), (2921, 24725), (3175, 22747), (4945, 14605), (5461, 13225)]