71647775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 94574304

約数和(自身を除く): 22926529

約数列:

[1, 5, 17, 25, 85, 263, 425, 641, 1315, 3205, 4471, 6575, 10897, 16025, 22355, 54485, 111775, 168583, 272425, 842915, 2865911, 4214575, 14329555, 71647775]

約数ペア:

[(1, 71647775), (5, 14329555), (17, 4214575), (25, 2865911), (85, 842915), (263, 272425), (425, 168583), (641, 111775), (1315, 54485), (3205, 22355), (4471, 16025), (6575, 10897)]