15919288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 38142720

約数和(自身を除く): 22223432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 601, 602, 616, 946, 1202, 1204, 1892, 2404, 2408, 3311, 3784, 4207, 4808, 6611, 6622, 8414, 13222, 13244, 16828, 25843, 26444, 26488, 33656, 46277, 51686, 52888, 92554, 103372, 180901, 185108, 206744, 284273, 361802, 370216, 568546, 723604, 1137092, 1447208, 1989911, 2274184, 3979822, 7959644, 15919288]

約数ペア:

[(1, 15919288), (2, 7959644), (4, 3979822), (7, 2274184), (8, 1989911), (11, 1447208), (14, 1137092), (22, 723604), (28, 568546), (43, 370216), (44, 361802), (56, 284273), (77, 206744), (86, 185108), (88, 180901), (154, 103372), (172, 92554), (301, 52888), (308, 51686), (344, 46277), (473, 33656), (601, 26488), (602, 26444), (616, 25843), (946, 16828), (1202, 13244), (1204, 13222), (1892, 8414), (2404, 6622), (2408, 6611), (3311, 4808), (3784, 4207)]