78478288

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^2\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 60

約数和(自身を含む): 177523360

約数和(自身を除く): 99045072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 139, 142, 278, 284, 497, 556, 568, 973, 994, 1112, 1136, 1946, 1988, 2224, 3892, 3976, 5041, 7784, 7952, 9869, 10082, 15568, 19738, 20164, 35287, 39476, 40328, 69083, 70574, 78952, 80656, 138166, 141148, 157904, 276332, 282296, 552664, 564592, 700699, 1105328, 1401398, 2802796, 4904893, 5605592, 9809786, 11211184, 19619572, 39239144, 78478288]

約数ペア:

[(1, 78478288), (2, 39239144), (4, 19619572), (7, 11211184), (8, 9809786), (14, 5605592), (16, 4904893), (28, 2802796), (56, 1401398), (71, 1105328), (112, 700699), (139, 564592), (142, 552664), (278, 282296), (284, 276332), (497, 157904), (556, 141148), (568, 138166), (973, 80656), (994, 78952), (1112, 70574), (1136, 69083), (1946, 40328), (1988, 39476), (2224, 35287), (3892, 20164), (3976, 19738), (5041, 15568), (7784, 10082), (7952, 9869)]