28175628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 71492960

約数和(自身を除く): 43317332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1308, 1417, 1657, 2834, 3314, 4251, 4971, 5668, 6628, 8502, 9942, 17004, 19884, 21541, 43082, 64623, 86164, 129246, 180613, 258492, 361226, 541839, 722452, 1083678, 2167356, 2347969, 4695938, 7043907, 9391876, 14087814, 28175628]

約数ペア:

[(1, 28175628), (2, 14087814), (3, 9391876), (4, 7043907), (6, 4695938), (12, 2347969), (13, 2167356), (26, 1083678), (39, 722452), (52, 541839), (78, 361226), (109, 258492), (156, 180613), (218, 129246), (327, 86164), (436, 64623), (654, 43082), (1308, 21541), (1417, 19884), (1657, 17004), (2834, 9942), (3314, 8502), (4251, 6628), (4971, 5668)]