16987012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 36384768

約数和(自身を除く): 19397756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 281, 476, 508, 562, 889, 1124, 1778, 1967, 2159, 3556, 3934, 4318, 4777, 7868, 8636, 9554, 15113, 19108, 30226, 33439, 35687, 60452, 66878, 71374, 133756, 142748, 249809, 499618, 606679, 999236, 1213358, 2426716, 4246753, 8493506, 16987012]

約数ペア:

[(1, 16987012), (2, 8493506), (4, 4246753), (7, 2426716), (14, 1213358), (17, 999236), (28, 606679), (34, 499618), (68, 249809), (119, 142748), (127, 133756), (238, 71374), (254, 66878), (281, 60452), (476, 35687), (508, 33439), (562, 30226), (889, 19108), (1124, 15113), (1778, 9554), (1967, 8636), (2159, 7868), (3556, 4777), (3934, 4318)]