28613208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 77545440

約数和(自身を除く): 48932232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 293, 312, 313, 586, 626, 879, 939, 1172, 1252, 1758, 1878, 2344, 2504, 3516, 3756, 3809, 4069, 7032, 7512, 7618, 8138, 11427, 12207, 15236, 16276, 22854, 24414, 30472, 32552, 45708, 48828, 91416, 91709, 97656, 183418, 275127, 366836, 550254, 733672, 1100508, 1192217, 2201016, 2384434, 3576651, 4768868, 7153302, 9537736, 14306604, 28613208]

約数ペア:

[(1, 28613208), (2, 14306604), (3, 9537736), (4, 7153302), (6, 4768868), (8, 3576651), (12, 2384434), (13, 2201016), (24, 1192217), (26, 1100508), (39, 733672), (52, 550254), (78, 366836), (104, 275127), (156, 183418), (293, 97656), (312, 91709), (313, 91416), (586, 48828), (626, 45708), (879, 32552), (939, 30472), (1172, 24414), (1252, 22854), (1758, 16276), (1878, 15236), (2344, 12207), (2504, 11427), (3516, 8138), (3756, 7618), (3809, 7512), (4069, 7032)]