401836384

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 72

約数和(自身を含む): 833285880

約数和(自身を除く): 431449496

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 73, 124, 146, 179, 248, 292, 358, 496, 584, 716, 961, 992, 1168, 1432, 1922, 2263, 2336, 2864, 3844, 4526, 5549, 5728, 7688, 9052, 11098, 13067, 15376, 18104, 22196, 26134, 30752, 36208, 44392, 52268, 70153, 72416, 88784, 104536, 140306, 172019, 177568, 209072, 280612, 344038, 405077, 418144, 561224, 688076, 810154, 1122448, 1376152, 1620308, 2244896, 2752304, 3240616, 5504608, 6481232, 12557387, 12962464, 25114774, 50229548, 100459096, 200918192, 401836384]

約数ペア:

[(1, 401836384), (2, 200918192), (4, 100459096), (8, 50229548), (16, 25114774), (31, 12962464), (32, 12557387), (62, 6481232), (73, 5504608), (124, 3240616), (146, 2752304), (179, 2244896), (248, 1620308), (292, 1376152), (358, 1122448), (496, 810154), (584, 688076), (716, 561224), (961, 418144), (992, 405077), (1168, 344038), (1432, 280612), (1922, 209072), (2263, 177568), (2336, 172019), (2864, 140306), (3844, 104536), (4526, 88784), (5549, 72416), (5728, 70153), (7688, 52268), (9052, 44392), (11098, 36208), (13067, 30752), (15376, 26134), (18104, 22196)]