205950564

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 535927392

約数和(自身を除く): 329976828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 233, 258, 387, 466, 516, 571, 699, 774, 932, 1142, 1398, 1548, 1713, 2097, 2284, 2796, 3426, 4194, 5139, 6852, 8388, 10019, 10278, 20038, 20556, 24553, 30057, 40076, 49106, 60114, 73659, 90171, 98212, 120228, 133043, 147318, 180342, 220977, 266086, 294636, 360684, 399129, 441954, 532172, 798258, 883908, 1197387, 1596516, 2394774, 4789548, 5720849, 11441698, 17162547, 22883396, 34325094, 51487641, 68650188, 102975282, 205950564]

約数ペア:

[(1, 205950564), (2, 102975282), (3, 68650188), (4, 51487641), (6, 34325094), (9, 22883396), (12, 17162547), (18, 11441698), (36, 5720849), (43, 4789548), (86, 2394774), (129, 1596516), (172, 1197387), (233, 883908), (258, 798258), (387, 532172), (466, 441954), (516, 399129), (571, 360684), (699, 294636), (774, 266086), (932, 220977), (1142, 180342), (1398, 147318), (1548, 133043), (1713, 120228), (2097, 98212), (2284, 90171), (2796, 73659), (3426, 60114), (4194, 49106), (5139, 40076), (6852, 30057), (8388, 24553), (10019, 20556), (10278, 20038)]