1978308865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{5087}}^1$

素因数の和:5329

約数の個数: 32

約数和(自身を含む): 2653249536

約数和(自身を除く): 674940671

約数列:

[1, 5, 13, 31, 65, 155, 193, 403, 965, 2015, 2509, 5087, 5983, 12545, 25435, 29915, 66131, 77779, 157697, 330655, 388895, 788485, 981791, 2050061, 4908955, 10250305, 12763283, 30435521, 63816415, 152177605, 395661773, 1978308865]

約数ペア:

[(1, 1978308865), (5, 395661773), (13, 152177605), (31, 63816415), (65, 30435521), (155, 12763283), (193, 10250305), (403, 4908955), (965, 2050061), (2015, 981791), (2509, 788485), (5087, 388895), (5983, 330655), (12545, 157697), (25435, 77779), (29915, 66131)]