28258404

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 39479196

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 167, 177, 236, 239, 334, 354, 478, 501, 668, 708, 717, 956, 1002, 1434, 2004, 2868, 9853, 14101, 19706, 28202, 29559, 39412, 39913, 42303, 56404, 59118, 79826, 84606, 118236, 119739, 159652, 169212, 239478, 478956, 2354867, 4709734, 7064601, 9419468, 14129202, 28258404]

約数ペア:

[(1, 28258404), (2, 14129202), (3, 9419468), (4, 7064601), (6, 4709734), (12, 2354867), (59, 478956), (118, 239478), (167, 169212), (177, 159652), (236, 119739), (239, 118236), (334, 84606), (354, 79826), (478, 59118), (501, 56404), (668, 42303), (708, 39913), (717, 39412), (956, 29559), (1002, 28202), (1434, 19706), (2004, 14101), (2868, 9853)]