1376921455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1\times {\mathrm{1987}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 2035966464

約数和(自身を除く): 659045009

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1523, 1987, 7615, 9935, 10661, 13909, 19799, 25831, 53305, 69545, 98995, 129155, 138593, 180817, 692965, 904085, 3026201, 15131005, 21183407, 39340613, 105917035, 196703065, 275384291, 1376921455]

約数ペア:

[(1, 1376921455), (5, 275384291), (7, 196703065), (13, 105917035), (35, 39340613), (65, 21183407), (91, 15131005), (455, 3026201), (1523, 904085), (1987, 692965), (7615, 180817), (9935, 138593), (10661, 129155), (13909, 98995), (19799, 69545), (25831, 53305)]