1278979195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{15101}}^1$

素因数の和:16422

約数の個数: 16

約数和(自身を含む): 1654212672

約数和(自身を除く): 375233477

約数列:

[1, 5, 13, 65, 1303, 6515, 15101, 16939, 75505, 84695, 196313, 981565, 19676603, 98383015, 255795839, 1278979195]

約数ペア:

[(1, 1278979195), (5, 255795839), (13, 98383015), (65, 19676603), (1303, 981565), (6515, 196313), (15101, 84695), (16939, 75505)]