28704588

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 75209904

約数和(自身を除く): 46505316

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 318, 363, 373, 484, 583, 636, 726, 746, 1119, 1166, 1452, 1492, 1749, 2238, 2332, 3498, 4103, 4476, 6413, 6996, 8206, 12309, 12826, 16412, 19239, 19769, 24618, 25652, 38478, 39538, 45133, 49236, 59307, 76956, 79076, 90266, 118614, 135399, 180532, 217459, 237228, 270798, 434918, 541596, 652377, 869836, 1304754, 2392049, 2609508, 4784098, 7176147, 9568196, 14352294, 28704588]

約数ペア:

[(1, 28704588), (2, 14352294), (3, 9568196), (4, 7176147), (6, 4784098), (11, 2609508), (12, 2392049), (22, 1304754), (33, 869836), (44, 652377), (53, 541596), (66, 434918), (106, 270798), (121, 237228), (132, 217459), (159, 180532), (212, 135399), (242, 118614), (318, 90266), (363, 79076), (373, 76956), (484, 59307), (583, 49236), (636, 45133), (726, 39538), (746, 38478), (1119, 25652), (1166, 24618), (1452, 19769), (1492, 19239), (1749, 16412), (2238, 12826), (2332, 12309), (3498, 8206), (4103, 6996), (4476, 6413)]