28705428

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{4663}}^1$

素因数の和:4698

約数の個数: 60

約数和(自身を含む): 79008160

約数和(自身を除く): 50302732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 4663, 6156, 9326, 13989, 18652, 27978, 41967, 55956, 83934, 88597, 125901, 167868, 177194, 251802, 265791, 354388, 377703, 503604, 531582, 755406, 797373, 1063164, 1510812, 1594746, 2392119, 3189492, 4784238, 7176357, 9568476, 14352714, 28705428]

約数ペア:

[(1, 28705428), (2, 14352714), (3, 9568476), (4, 7176357), (6, 4784238), (9, 3189492), (12, 2392119), (18, 1594746), (19, 1510812), (27, 1063164), (36, 797373), (38, 755406), (54, 531582), (57, 503604), (76, 377703), (81, 354388), (108, 265791), (114, 251802), (162, 177194), (171, 167868), (228, 125901), (324, 88597), (342, 83934), (513, 55956), (684, 41967), (1026, 27978), (1539, 18652), (2052, 13989), (3078, 9326), (4663, 6156)]