778827790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{18899}}^1$

素因数の和:19236

約数の個数: 32

約数和(自身を含む): 1514570400

約数和(自身を除く): 735742610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 8242, 18899, 20605, 37798, 41210, 94495, 188990, 245687, 491374, 1228435, 2456870, 5990983, 11981966, 29954915, 59909830, 77882779, 155765558, 389413895, 778827790]

約数ペア:

[(1, 778827790), (2, 389413895), (5, 155765558), (10, 77882779), (13, 59909830), (26, 29954915), (65, 11981966), (130, 5990983), (317, 2456870), (634, 1228435), (1585, 491374), (3170, 245687), (4121, 188990), (8242, 94495), (18899, 41210), (20605, 37798)]