258575408

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 120

約数和(自身を含む): 653529600

約数和(自身を除く): 394954192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 169, 182, 208, 247, 266, 304, 338, 364, 494, 532, 676, 719, 728, 988, 1064, 1183, 1352, 1438, 1456, 1729, 1976, 2128, 2366, 2704, 2876, 3211, 3458, 3952, 4732, 5033, 5752, 6422, 6916, 9347, 9464, 10066, 11504, 12844, 13661, 13832, 18694, 18928, 20132, 22477, 25688, 27322, 27664, 37388, 40264, 44954, 51376, 54644, 65429, 74776, 80528, 89908, 95627, 109288, 121511, 130858, 149552, 177593, 179816, 191254, 218576, 243022, 261716, 355186, 359632, 382508, 486044, 523432, 710372, 765016, 850577, 972088, 1046864, 1243151, 1420744, 1530032, 1701154, 1944176, 2308709, 2486302, 2841488, 3402308, 4617418, 4972604, 6804616, 9234836, 9945208, 13609232, 16160963, 18469672, 19890416, 32321926, 36939344, 64643852, 129287704, 258575408]

約数ペア:

[(1, 258575408), (2, 129287704), (4, 64643852), (7, 36939344), (8, 32321926), (13, 19890416), (14, 18469672), (16, 16160963), (19, 13609232), (26, 9945208), (28, 9234836), (38, 6804616), (52, 4972604), (56, 4617418), (76, 3402308), (91, 2841488), (104, 2486302), (112, 2308709), (133, 1944176), (152, 1701154), (169, 1530032), (182, 1420744), (208, 1243151), (247, 1046864), (266, 972088), (304, 850577), (338, 765016), (364, 710372), (494, 523432), (532, 486044), (676, 382508), (719, 359632), (728, 355186), (988, 261716), (1064, 243022), (1183, 218576), (1352, 191254), (1438, 179816), (1456, 177593), (1729, 149552), (1976, 130858), (2128, 121511), (2366, 109288), (2704, 95627), (2876, 89908), (3211, 80528), (3458, 74776), (3952, 65429), (4732, 54644), (5033, 51376), (5752, 44954), (6422, 40264), (6916, 37388), (9347, 27664), (9464, 27322), (10066, 25688), (11504, 22477), (12844, 20132), (13661, 18928), (13832, 18694)]