213570812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1171

約数の個数: 72

約数和(自身を含む): 474586560

約数和(自身を除く): 261015748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 182, 196, 316, 364, 553, 637, 1027, 1061, 1106, 1274, 2054, 2122, 2212, 2548, 3871, 4108, 4244, 7189, 7427, 7742, 13793, 14378, 14854, 15484, 27586, 28756, 29708, 50323, 51989, 55172, 83819, 96551, 100646, 103978, 167638, 193102, 201292, 207956, 335276, 386204, 586733, 675857, 1089647, 1173466, 1351714, 2179294, 2346932, 2703428, 4107131, 4358588, 7627529, 8214262, 15255058, 16428524, 30510116, 53392703, 106785406, 213570812]

約数ペア:

[(1, 213570812), (2, 106785406), (4, 53392703), (7, 30510116), (13, 16428524), (14, 15255058), (26, 8214262), (28, 7627529), (49, 4358588), (52, 4107131), (79, 2703428), (91, 2346932), (98, 2179294), (158, 1351714), (182, 1173466), (196, 1089647), (316, 675857), (364, 586733), (553, 386204), (637, 335276), (1027, 207956), (1061, 201292), (1106, 193102), (1274, 167638), (2054, 103978), (2122, 100646), (2212, 96551), (2548, 83819), (3871, 55172), (4108, 51989), (4244, 50323), (7189, 29708), (7427, 28756), (7742, 27586), (13793, 15484), (14378, 14854)]