639828592

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 1470441600

約数和(自身を除く): 830613008

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 169, 208, 221, 248, 272, 338, 403, 442, 449, 496, 527, 676, 806, 884, 898, 1054, 1352, 1612, 1768, 1796, 2108, 2704, 2873, 3224, 3536, 3592, 4216, 5239, 5746, 5837, 6448, 6851, 7184, 7633, 8432, 10478, 11492, 11674, 13702, 13919, 15266, 20956, 22984, 23348, 27404, 27838, 30532, 41912, 45968, 46696, 54808, 55676, 61064, 75881, 83824, 89063, 93392, 99229, 109616, 111352, 122128, 151762, 178126, 180947, 198458, 222704, 236623, 303524, 356252, 361894, 396916, 473246, 607048, 712504, 723788, 793832, 946492, 1214096, 1289977, 1425008, 1447576, 1587664, 1892984, 2352311, 2579954, 2895152, 3076099, 3785968, 4704622, 5159908, 6152198, 9409244, 10319816, 12304396, 18818488, 20639632, 24608792, 37636976, 39989287, 49217584, 79978574, 159957148, 319914296, 639828592]

約数ペア:

[(1, 639828592), (2, 319914296), (4, 159957148), (8, 79978574), (13, 49217584), (16, 39989287), (17, 37636976), (26, 24608792), (31, 20639632), (34, 18818488), (52, 12304396), (62, 10319816), (68, 9409244), (104, 6152198), (124, 5159908), (136, 4704622), (169, 3785968), (208, 3076099), (221, 2895152), (248, 2579954), (272, 2352311), (338, 1892984), (403, 1587664), (442, 1447576), (449, 1425008), (496, 1289977), (527, 1214096), (676, 946492), (806, 793832), (884, 723788), (898, 712504), (1054, 607048), (1352, 473246), (1612, 396916), (1768, 361894), (1796, 356252), (2108, 303524), (2704, 236623), (2873, 222704), (3224, 198458), (3536, 180947), (3592, 178126), (4216, 151762), (5239, 122128), (5746, 111352), (5837, 109616), (6448, 99229), (6851, 93392), (7184, 89063), (7633, 83824), (8432, 75881), (10478, 61064), (11492, 55676), (11674, 54808), (13702, 46696), (13919, 45968), (15266, 41912), (20956, 30532), (22984, 27838), (23348, 27404)]