208315088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{685247}}^1$

素因数の和:685274

約数の個数: 20

約数和(自身を含む): 424853760

約数和(自身を除く): 216538672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 685247, 1370494, 2740988, 5481976, 10963952, 13019693, 26039386, 52078772, 104157544, 208315088]

約数ペア:

[(1, 208315088), (2, 104157544), (4, 52078772), (8, 26039386), (16, 13019693), (19, 10963952), (38, 5481976), (76, 2740988), (152, 1370494), (304, 685247)]