28613788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 33317732

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 1279, 1316, 1598, 2558, 3196, 5116, 5593, 8953, 11186, 17906, 21743, 22372, 35812, 43486, 60113, 86972, 120226, 152201, 240452, 304402, 420791, 608804, 841582, 1021921, 1683164, 2043842, 4087684, 7153447, 14306894, 28613788]

約数ペア:

[(1, 28613788), (2, 14306894), (4, 7153447), (7, 4087684), (14, 2043842), (17, 1683164), (28, 1021921), (34, 841582), (47, 608804), (68, 420791), (94, 304402), (119, 240452), (188, 152201), (238, 120226), (329, 86972), (476, 60113), (658, 43486), (799, 35812), (1279, 22372), (1316, 21743), (1598, 17906), (2558, 11186), (3196, 8953), (5116, 5593)]