128446384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 290338560

約数和(自身を除く): 161892176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 284, 304, 418, 541, 568, 781, 836, 1082, 1136, 1349, 1562, 1672, 2164, 2698, 3124, 3344, 4328, 5396, 5951, 6248, 8656, 10279, 10792, 11902, 12496, 14839, 20558, 21584, 23804, 29678, 38411, 41116, 47608, 59356, 76822, 82232, 95216, 113069, 118712, 153644, 164464, 226138, 237424, 307288, 422521, 452276, 614576, 729809, 845042, 904552, 1459618, 1690084, 1809104, 2919236, 3380168, 5838472, 6760336, 8027899, 11676944, 16055798, 32111596, 64223192, 128446384]

約数ペア:

[(1, 128446384), (2, 64223192), (4, 32111596), (8, 16055798), (11, 11676944), (16, 8027899), (19, 6760336), (22, 5838472), (38, 3380168), (44, 2919236), (71, 1809104), (76, 1690084), (88, 1459618), (142, 904552), (152, 845042), (176, 729809), (209, 614576), (284, 452276), (304, 422521), (418, 307288), (541, 237424), (568, 226138), (781, 164464), (836, 153644), (1082, 118712), (1136, 113069), (1349, 95216), (1562, 82232), (1672, 76822), (2164, 59356), (2698, 47608), (3124, 41116), (3344, 38411), (4328, 29678), (5396, 23804), (5951, 21584), (6248, 20558), (8656, 14839), (10279, 12496), (10792, 11902)]