178985296

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{11497}}^1$

素因数の和:11651

約数の個数: 40

約数和(自身を含む): 399210560

約数和(自身を除く): 220225264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 11497, 15568, 22994, 45988, 80479, 91976, 160958, 183952, 321916, 643832, 1287664, 1598083, 3196166, 6392332, 11186581, 12784664, 22373162, 25569328, 44746324, 89492648, 178985296]

約数ペア:

[(1, 178985296), (2, 89492648), (4, 44746324), (7, 25569328), (8, 22373162), (14, 12784664), (16, 11186581), (28, 6392332), (56, 3196166), (112, 1598083), (139, 1287664), (278, 643832), (556, 321916), (973, 183952), (1112, 160958), (1946, 91976), (2224, 80479), (3892, 45988), (7784, 22994), (11497, 15568)]