8400294

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 21703680

約数和(自身を除く): 13303386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 313, 378, 426, 497, 626, 639, 939, 994, 1278, 1491, 1878, 1917, 2191, 2817, 2982, 3834, 4382, 4473, 5634, 6573, 8451, 8946, 13146, 13419, 16902, 19719, 22223, 26838, 39438, 44446, 59157, 66669, 118314, 133338, 155561, 200007, 311122, 400014, 466683, 600021, 933366, 1200042, 1400049, 2800098, 4200147, 8400294]

約数ペア:

[(1, 8400294), (2, 4200147), (3, 2800098), (6, 1400049), (7, 1200042), (9, 933366), (14, 600021), (18, 466683), (21, 400014), (27, 311122), (42, 200007), (54, 155561), (63, 133338), (71, 118314), (126, 66669), (142, 59157), (189, 44446), (213, 39438), (313, 26838), (378, 22223), (426, 19719), (497, 16902), (626, 13419), (639, 13146), (939, 8946), (994, 8451), (1278, 6573), (1491, 5634), (1878, 4473), (1917, 4382), (2191, 3834), (2817, 2982)]