199955992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{2131}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 386446320

約数和(自身を除く): 186490328

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 317, 634, 1268, 2131, 2536, 4262, 8524, 11729, 17048, 23458, 46916, 78847, 93832, 157694, 315388, 630776, 675527, 1351054, 2702108, 5404216, 24994499, 49988998, 99977996, 199955992]

約数ペア:

[(1, 199955992), (2, 99977996), (4, 49988998), (8, 24994499), (37, 5404216), (74, 2702108), (148, 1351054), (296, 675527), (317, 630776), (634, 315388), (1268, 157694), (2131, 93832), (2536, 78847), (4262, 46916), (8524, 23458), (11729, 17048)]