15691351592

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2263

約数の個数: 128

約数和(自身を含む): 35791994880

約数和(自身を除く): 20100643288

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 71, 122, 124, 142, 217, 244, 248, 284, 427, 434, 488, 497, 568, 854, 868, 994, 1708, 1736, 1891, 1988, 2087, 2201, 3416, 3782, 3976, 4174, 4331, 4402, 7564, 8348, 8662, 8804, 13237, 14609, 15128, 15407, 16696, 17324, 17608, 26474, 29218, 30317, 30814, 34648, 52948, 58436, 60634, 61628, 64697, 105896, 116872, 121268, 123256, 127307, 129394, 134261, 148177, 242536, 254614, 258788, 268522, 296354, 452879, 509228, 517576, 537044, 592708, 891149, 905758, 939827, 1018456, 1037239, 1074088, 1185416, 1782298, 1811516, 1879654, 2074478, 3564596, 3623032, 3759308, 3946517, 4148956, 4593487, 7129192, 7518616, 7893034, 8297912, 9038797, 9186974, 15786068, 18077594, 18373948, 27625619, 31572136, 32154409, 36155188, 36747896, 55251238, 63271579, 64308818, 72310376, 110502476, 126543158, 128617636, 221004952, 253086316, 257235272, 280202707, 506172632, 560405414, 1120810828, 1961418949, 2241621656, 3922837898, 7845675796, 15691351592]

約数ペア:

[(1, 15691351592), (2, 7845675796), (4, 3922837898), (7, 2241621656), (8, 1961418949), (14, 1120810828), (28, 560405414), (31, 506172632), (56, 280202707), (61, 257235272), (62, 253086316), (71, 221004952), (122, 128617636), (124, 126543158), (142, 110502476), (217, 72310376), (244, 64308818), (248, 63271579), (284, 55251238), (427, 36747896), (434, 36155188), (488, 32154409), (497, 31572136), (568, 27625619), (854, 18373948), (868, 18077594), (994, 15786068), (1708, 9186974), (1736, 9038797), (1891, 8297912), (1988, 7893034), (2087, 7518616), (2201, 7129192), (3416, 4593487), (3782, 4148956), (3976, 3946517), (4174, 3759308), (4331, 3623032), (4402, 3564596), (7564, 2074478), (8348, 1879654), (8662, 1811516), (8804, 1782298), (13237, 1185416), (14609, 1074088), (15128, 1037239), (15407, 1018456), (16696, 939827), (17324, 905758), (17608, 891149), (26474, 592708), (29218, 537044), (30317, 517576), (30814, 509228), (34648, 452879), (52948, 296354), (58436, 268522), (60634, 258788), (61628, 254614), (64697, 242536), (105896, 148177), (116872, 134261), (121268, 129394), (123256, 127307)]