71344715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 99489600

約数和(自身を除く): 28144885

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 1409, 2665, 3895, 7045, 10127, 18317, 26771, 50635, 57769, 91585, 133855, 288845, 348023, 750997, 1097611, 1740115, 3754985, 5488055, 14268943, 71344715]

約数ペア:

[(1, 71344715), (5, 14268943), (13, 5488055), (19, 3754985), (41, 1740115), (65, 1097611), (95, 750997), (205, 348023), (247, 288845), (533, 133855), (779, 91585), (1235, 57769), (1409, 50635), (2665, 26771), (3895, 18317), (7045, 10127)]