100218208

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 203542416

約数和(自身を除く): 103324208

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 173, 344, 346, 421, 688, 692, 842, 1376, 1384, 1684, 2768, 3368, 5536, 6736, 7439, 13472, 14878, 18103, 29756, 36206, 59512, 72412, 72833, 119024, 144824, 145666, 238048, 289648, 291332, 579296, 582664, 1165328, 2330656, 3131819, 6263638, 12527276, 25054552, 50109104, 100218208]

約数ペア:

[(1, 100218208), (2, 50109104), (4, 25054552), (8, 12527276), (16, 6263638), (32, 3131819), (43, 2330656), (86, 1165328), (172, 582664), (173, 579296), (344, 291332), (346, 289648), (421, 238048), (688, 145666), (692, 144824), (842, 119024), (1376, 72833), (1384, 72412), (1684, 59512), (2768, 36206), (3368, 29756), (5536, 18103), (6736, 14878), (7439, 13472)]