291283205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 380505600

約数和(自身を除く): 89222395

約数列:

[1, 5, 19, 47, 89, 95, 235, 445, 733, 893, 1691, 3665, 4183, 4465, 8455, 13927, 20915, 34451, 65237, 69635, 79477, 172255, 326185, 397385, 654569, 1239503, 3066139, 3272845, 6197515, 15330695, 58256641, 291283205]

約数ペア:

[(1, 291283205), (5, 58256641), (19, 15330695), (47, 6197515), (89, 3272845), (95, 3066139), (235, 1239503), (445, 654569), (733, 397385), (893, 326185), (1691, 172255), (3665, 79477), (4183, 69635), (4465, 65237), (8455, 34451), (13927, 20915)]