71407973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 96122880

約数和(自身を除く): 24714907

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1489, 1547, 2821, 3689, 6851, 10423, 19357, 25313, 46159, 47957, 135499, 177191, 323113, 329069, 600067, 784703, 2303483, 4200469, 5492921, 10201139, 71407973]

約数ペア:

[(1, 71407973), (7, 10201139), (13, 5492921), (17, 4200469), (31, 2303483), (91, 784703), (119, 600067), (217, 329069), (221, 323113), (403, 177191), (527, 135499), (1489, 47957), (1547, 46159), (2821, 25313), (3689, 19357), (6851, 10423)]