161788705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 221356800

約数和(自身を除く): 59568095

約数列:

[1, 5, 13, 19, 65, 95, 247, 269, 487, 1235, 1345, 2435, 3497, 5111, 6331, 9253, 17485, 25555, 31655, 46265, 66443, 120289, 131003, 332215, 601445, 655015, 1703039, 2489057, 8515195, 12445285, 32357741, 161788705]

約数ペア:

[(1, 161788705), (5, 32357741), (13, 12445285), (19, 8515195), (65, 2489057), (95, 1703039), (247, 655015), (269, 601445), (487, 332215), (1235, 131003), (1345, 120289), (2435, 66443), (3497, 46265), (5111, 31655), (6331, 25555), (9253, 17485)]