72381728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 149488416

約数和(自身を除く): 77106688

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1283, 1312, 1376, 1763, 2566, 3526, 5132, 7052, 10264, 14104, 20528, 28208, 41056, 52603, 55169, 56416, 105206, 110338, 210412, 220676, 420824, 441352, 841648, 882704, 1683296, 1765408, 2261929, 4523858, 9047716, 18095432, 36190864, 72381728]

約数ペア:

[(1, 72381728), (2, 36190864), (4, 18095432), (8, 9047716), (16, 4523858), (32, 2261929), (41, 1765408), (43, 1683296), (82, 882704), (86, 841648), (164, 441352), (172, 420824), (328, 220676), (344, 210412), (656, 110338), (688, 105206), (1283, 56416), (1312, 55169), (1376, 52603), (1763, 41056), (2566, 28208), (3526, 20528), (5132, 14104), (7052, 10264)]