194902015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 304837632

約数和(自身を除く): 109935617

約数列:

[1, 5, 7, 11, 35, 43, 55, 61, 77, 193, 215, 301, 305, 385, 427, 473, 671, 965, 1351, 1505, 2123, 2135, 2365, 2623, 3311, 3355, 4697, 6755, 8299, 10615, 11773, 13115, 14861, 16555, 18361, 23485, 28853, 41495, 58093, 58865, 74305, 82411, 91289, 91805, 129503, 144265, 201971, 290465, 412055, 456445, 506239, 639023, 647515, 906521, 1009855, 2531195, 3195115, 3543673, 4532605, 5568629, 17718365, 27843145, 38980403, 194902015]

約数ペア:

[(1, 194902015), (5, 38980403), (7, 27843145), (11, 17718365), (35, 5568629), (43, 4532605), (55, 3543673), (61, 3195115), (77, 2531195), (193, 1009855), (215, 906521), (301, 647515), (305, 639023), (385, 506239), (427, 456445), (473, 412055), (671, 290465), (965, 201971), (1351, 144265), (1505, 129503), (2123, 91805), (2135, 91289), (2365, 82411), (2623, 74305), (3311, 58865), (3355, 58093), (4697, 41495), (6755, 28853), (8299, 23485), (10615, 18361), (11773, 16555), (13115, 14861)]