100002721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 31601759

約数列:

[1, 7, 13, 17, 91, 119, 127, 221, 509, 889, 1547, 1651, 2159, 3563, 6617, 8653, 11557, 15113, 28067, 46319, 60571, 64643, 112489, 196469, 452501, 787423, 840359, 1098931, 5882513, 7692517, 14286103, 100002721]

約数ペア:

[(1, 100002721), (7, 14286103), (13, 7692517), (17, 5882513), (91, 1098931), (119, 840359), (127, 787423), (221, 452501), (509, 196469), (889, 112489), (1547, 64643), (1651, 60571), (2159, 46319), (3563, 28067), (6617, 15113), (8653, 11557)]