520885456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 120

約数和(自身を含む): 1312249344

約数和(自身を除く): 791363888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 361, 364, 494, 532, 722, 728, 988, 991, 1064, 1444, 1456, 1729, 1976, 1982, 2128, 2527, 2888, 3458, 3952, 3964, 4693, 5054, 5776, 6916, 6937, 7928, 9386, 10108, 12883, 13832, 13874, 15856, 18772, 18829, 20216, 25766, 27664, 27748, 32851, 37544, 37658, 40432, 51532, 55496, 65702, 75088, 75316, 90181, 103064, 110992, 131404, 131803, 150632, 180362, 206128, 244777, 262808, 263606, 301264, 357751, 360724, 489554, 525616, 527212, 715502, 721448, 979108, 1054424, 1431004, 1442896, 1713439, 1958216, 2108848, 2504257, 2862008, 3426878, 3916432, 4650763, 5008514, 5724016, 6853756, 9301526, 10017028, 13707512, 18603052, 20034056, 27415024, 32555341, 37206104, 40068112, 65110682, 74412208, 130221364, 260442728, 520885456]

約数ペア:

[(1, 520885456), (2, 260442728), (4, 130221364), (7, 74412208), (8, 65110682), (13, 40068112), (14, 37206104), (16, 32555341), (19, 27415024), (26, 20034056), (28, 18603052), (38, 13707512), (52, 10017028), (56, 9301526), (76, 6853756), (91, 5724016), (104, 5008514), (112, 4650763), (133, 3916432), (152, 3426878), (182, 2862008), (208, 2504257), (247, 2108848), (266, 1958216), (304, 1713439), (361, 1442896), (364, 1431004), (494, 1054424), (532, 979108), (722, 721448), (728, 715502), (988, 527212), (991, 525616), (1064, 489554), (1444, 360724), (1456, 357751), (1729, 301264), (1976, 263606), (1982, 262808), (2128, 244777), (2527, 206128), (2888, 180362), (3458, 150632), (3952, 131803), (3964, 131404), (4693, 110992), (5054, 103064), (5776, 90181), (6916, 75316), (6937, 75088), (7928, 65702), (9386, 55496), (10108, 51532), (12883, 40432), (13832, 37658), (13874, 37544), (15856, 32851), (18772, 27748), (18829, 27664), (20216, 25766)]