28135416

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 72864000

約数和(自身を除く): 44728584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 137, 172, 199, 258, 274, 344, 398, 411, 516, 548, 597, 796, 822, 1032, 1096, 1194, 1592, 1644, 2388, 3288, 4776, 5891, 8557, 11782, 17114, 17673, 23564, 25671, 27263, 34228, 35346, 47128, 51342, 54526, 68456, 70692, 81789, 102684, 109052, 141384, 163578, 205368, 218104, 327156, 654312, 1172309, 2344618, 3516927, 4689236, 7033854, 9378472, 14067708, 28135416]

約数ペア:

[(1, 28135416), (2, 14067708), (3, 9378472), (4, 7033854), (6, 4689236), (8, 3516927), (12, 2344618), (24, 1172309), (43, 654312), (86, 327156), (129, 218104), (137, 205368), (172, 163578), (199, 141384), (258, 109052), (274, 102684), (344, 81789), (398, 70692), (411, 68456), (516, 54526), (548, 51342), (597, 47128), (796, 35346), (822, 34228), (1032, 27263), (1096, 25671), (1194, 23564), (1592, 17673), (1644, 17114), (2388, 11782), (3288, 8557), (4776, 5891)]