28641452

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 59787840

約数和(自身を除く): 31146388

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 287, 409, 427, 574, 818, 854, 1148, 1636, 1708, 2501, 2863, 5002, 5726, 10004, 11452, 16769, 17507, 24949, 33538, 35014, 49898, 67076, 70028, 99796, 117383, 174643, 234766, 349286, 469532, 698572, 1022909, 2045818, 4091636, 7160363, 14320726, 28641452]

約数ペア:

[(1, 28641452), (2, 14320726), (4, 7160363), (7, 4091636), (14, 2045818), (28, 1022909), (41, 698572), (61, 469532), (82, 349286), (122, 234766), (164, 174643), (244, 117383), (287, 99796), (409, 70028), (427, 67076), (574, 49898), (818, 35014), (854, 33538), (1148, 24949), (1636, 17507), (1708, 16769), (2501, 11452), (2863, 10004), (5002, 5726)]