311322172

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1307}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 639894528

約数和(自身を除く): 328572356

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 181, 188, 329, 362, 658, 724, 1267, 1307, 1316, 2534, 2614, 5068, 5228, 8507, 9149, 17014, 18298, 34028, 36596, 59549, 61429, 119098, 122858, 236567, 238196, 245716, 430003, 473134, 860006, 946268, 1655969, 1720012, 3311938, 6623876, 11118649, 22237298, 44474596, 77830543, 155661086, 311322172]

約数ペア:

[(1, 311322172), (2, 155661086), (4, 77830543), (7, 44474596), (14, 22237298), (28, 11118649), (47, 6623876), (94, 3311938), (181, 1720012), (188, 1655969), (329, 946268), (362, 860006), (658, 473134), (724, 430003), (1267, 245716), (1307, 238196), (1316, 236567), (2534, 122858), (2614, 119098), (5068, 61429), (5228, 59549), (8507, 36596), (9149, 34028), (17014, 18298)]