218356789244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{269}}^1\times {\mathrm{499}}^1\times {\mathrm{3361}}^1$

素因数の和:4155

約数の個数: 72

約数和(自身を含む): 422552970000

約数和(自身を除く): 204196180756

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 269, 484, 499, 538, 998, 1076, 1996, 2959, 3361, 5489, 5918, 6722, 10978, 11836, 13444, 21956, 32549, 36971, 60379, 65098, 73942, 120758, 130196, 134231, 147884, 241516, 268462, 406681, 536924, 813362, 904109, 1476541, 1626724, 1677139, 1808218, 2953082, 3354278, 3616436, 5906164, 6708556, 9945199, 16241951, 18448529, 19890398, 32483902, 36897058, 39780796, 64967804, 73794116, 109397189, 202933819, 218794378, 405867638, 437588756, 451150391, 811735276, 902300782, 1804601564, 4962654301, 9925308602, 19850617204, 54589197311, 109178394622, 218356789244]

約数ペア:

[(1, 218356789244), (2, 109178394622), (4, 54589197311), (11, 19850617204), (22, 9925308602), (44, 4962654301), (121, 1804601564), (242, 902300782), (269, 811735276), (484, 451150391), (499, 437588756), (538, 405867638), (998, 218794378), (1076, 202933819), (1996, 109397189), (2959, 73794116), (3361, 64967804), (5489, 39780796), (5918, 36897058), (6722, 32483902), (10978, 19890398), (11836, 18448529), (13444, 16241951), (21956, 9945199), (32549, 6708556), (36971, 5906164), (60379, 3616436), (65098, 3354278), (73942, 2953082), (120758, 1808218), (130196, 1677139), (134231, 1626724), (147884, 1476541), (241516, 904109), (268462, 813362), (406681, 536924)]