245845239

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 342526464

約数和(自身を除く): 96681225

約数列:

[1, 3, 71, 73, 97, 163, 213, 219, 291, 489, 5183, 6887, 7081, 11573, 11899, 15549, 15811, 20661, 21243, 34719, 35697, 47433, 502751, 844829, 1122581, 1154203, 1508253, 2534487, 3367743, 3462609, 81948413, 245845239]

約数ペア:

[(1, 245845239), (3, 81948413), (71, 3462609), (73, 3367743), (97, 2534487), (163, 1508253), (213, 1154203), (219, 1122581), (291, 844829), (489, 502751), (5183, 47433), (6887, 35697), (7081, 34719), (11573, 21243), (11899, 20661), (15549, 15811)]