199495790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{66721}}^1$

素因数の和:66764

約数の個数: 32

約数和(自身を含む): 403534656

約数和(自身を除く): 204038866

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 66721, 133442, 333605, 667210, 867373, 1534583, 1734746, 3069166, 4336865, 7672915, 8673730, 15345830, 19949579, 39899158, 99747895, 199495790]

約数ペア:

[(1, 199495790), (2, 99747895), (5, 39899158), (10, 19949579), (13, 15345830), (23, 8673730), (26, 7672915), (46, 4336865), (65, 3069166), (115, 1734746), (130, 1534583), (230, 867373), (299, 667210), (598, 333605), (1495, 133442), (2990, 66721)]