81735568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{859}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 167424800

約数和(自身を除く): 85689232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 313, 626, 859, 1252, 1718, 2504, 3436, 5008, 5947, 6872, 11894, 13744, 16321, 23788, 32642, 47576, 65284, 95152, 130568, 261136, 268867, 537734, 1075468, 2150936, 4301872, 5108473, 10216946, 20433892, 40867784, 81735568]

約数ペア:

[(1, 81735568), (2, 40867784), (4, 20433892), (8, 10216946), (16, 5108473), (19, 4301872), (38, 2150936), (76, 1075468), (152, 537734), (304, 268867), (313, 261136), (626, 130568), (859, 95152), (1252, 65284), (1718, 47576), (2504, 32642), (3436, 23788), (5008, 16321), (5947, 13744), (6872, 11894)]