206573770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:4007

約数の個数: 48

約数和(自身を含む): 415729152

約数和(自身を除く): 209155382

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 3943, 4030, 5239, 7886, 10478, 19715, 26195, 39430, 51259, 52390, 102518, 122233, 244466, 256295, 512590, 611165, 666367, 1222330, 1332734, 1589029, 3178058, 3331835, 6663670, 7945145, 15890290, 20657377, 41314754, 103286885, 206573770]

約数ペア:

[(1, 206573770), (2, 103286885), (5, 41314754), (10, 20657377), (13, 15890290), (26, 7945145), (31, 6663670), (62, 3331835), (65, 3178058), (130, 1589029), (155, 1332734), (169, 1222330), (310, 666367), (338, 611165), (403, 512590), (806, 256295), (845, 244466), (1690, 122233), (2015, 102518), (3943, 52390), (4030, 51259), (5239, 39430), (7886, 26195), (10478, 19715)]