196620775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 274294944

約数和(自身を除く): 77674169

約数列:

[1, 5, 13, 25, 37, 65, 83, 185, 197, 325, 415, 481, 925, 985, 1079, 2075, 2405, 2561, 3071, 4925, 5395, 7289, 12025, 12805, 15355, 16351, 26975, 36445, 39923, 64025, 76775, 81755, 94757, 182225, 199615, 212563, 408775, 473785, 604987, 998075, 1062815, 2368925, 3024935, 5314075, 7864831, 15124675, 39324155, 196620775]

約数ペア:

[(1, 196620775), (5, 39324155), (13, 15124675), (25, 7864831), (37, 5314075), (65, 3024935), (83, 2368925), (185, 1062815), (197, 998075), (325, 604987), (415, 473785), (481, 408775), (925, 212563), (985, 199615), (1079, 182225), (2075, 94757), (2405, 81755), (2561, 76775), (3071, 64025), (4925, 39923), (5395, 36445), (7289, 26975), (12025, 16351), (12805, 15355)]