71297405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 96370560

約数和(自身を除く): 25073155

約数列:

[1, 5, 17, 19, 85, 95, 131, 323, 337, 655, 1615, 1685, 2227, 2489, 5729, 6403, 11135, 12445, 28645, 32015, 42313, 44147, 108851, 211565, 220735, 544255, 750499, 838793, 3752495, 4193965, 14259481, 71297405]

約数ペア:

[(1, 71297405), (5, 14259481), (17, 4193965), (19, 3752495), (85, 838793), (95, 750499), (131, 544255), (323, 220735), (337, 211565), (655, 108851), (1615, 44147), (1685, 42313), (2227, 32015), (2489, 28645), (5729, 12445), (6403, 11135)]