242515715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 332640000

約数和(自身を除く): 90124285

約数列:

[1, 5, 13, 19, 65, 95, 131, 247, 655, 1235, 1499, 1703, 2489, 7495, 8515, 12445, 19487, 28481, 32357, 97435, 142405, 161785, 196369, 370253, 981845, 1851265, 2552797, 3731011, 12763985, 18655055, 48503143, 242515715]

約数ペア:

[(1, 242515715), (5, 48503143), (13, 18655055), (19, 12763985), (65, 3731011), (95, 2552797), (131, 1851265), (247, 981845), (655, 370253), (1235, 196369), (1499, 161785), (1703, 142405), (2489, 97435), (7495, 32357), (8515, 28481), (12445, 19487)]