81680608

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 166622400

約数和(自身を除く): 84941792

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 149, 296, 298, 463, 592, 596, 926, 1184, 1192, 1852, 2384, 3704, 4768, 5513, 7408, 11026, 14816, 17131, 22052, 34262, 44104, 68524, 68987, 88208, 137048, 137974, 176416, 274096, 275948, 548192, 551896, 1103792, 2207584, 2552519, 5105038, 10210076, 20420152, 40840304, 81680608]

約数ペア:

[(1, 81680608), (2, 40840304), (4, 20420152), (8, 10210076), (16, 5105038), (32, 2552519), (37, 2207584), (74, 1103792), (148, 551896), (149, 548192), (296, 275948), (298, 274096), (463, 176416), (592, 137974), (596, 137048), (926, 88208), (1184, 68987), (1192, 68524), (1852, 44104), (2384, 34262), (3704, 22052), (4768, 17131), (5513, 14816), (7408, 11026)]