28387476

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20219}}^1$

素因数の和:20245

約数の個数: 48

約数和(自身を含む): 79262400

約数和(自身を除く): 50874924

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20219, 40438, 60657, 80876, 121314, 181971, 242628, 262847, 363942, 525694, 545913, 727884, 788541, 1051388, 1091826, 1577082, 2183652, 2365623, 3154164, 4731246, 7096869, 9462492, 14193738, 28387476]

約数ペア:

[(1, 28387476), (2, 14193738), (3, 9462492), (4, 7096869), (6, 4731246), (9, 3154164), (12, 2365623), (13, 2183652), (18, 1577082), (26, 1091826), (27, 1051388), (36, 788541), (39, 727884), (52, 545913), (54, 525694), (78, 363942), (108, 262847), (117, 242628), (156, 181971), (234, 121314), (351, 80876), (468, 60657), (702, 40438), (1404, 20219)]