251813744

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 631709568

約数和(自身を除く): 379895824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 364, 392, 403, 434, 496, 637, 728, 784, 797, 806, 868, 1274, 1456, 1519, 1594, 1612, 1736, 2548, 2821, 3038, 3188, 3224, 3472, 5096, 5579, 5642, 6076, 6376, 6448, 10192, 10361, 11158, 11284, 12152, 12752, 19747, 20722, 22316, 22568, 24304, 24707, 39053, 39494, 41444, 44632, 45136, 49414, 72527, 78106, 78988, 82888, 89264, 98828, 145054, 156212, 157976, 165776, 172949, 197656, 290108, 312424, 315952, 321191, 345898, 395312, 507689, 580216, 624848, 642382, 691796, 1015378, 1160432, 1210643, 1284764, 1383592, 2030756, 2248337, 2421286, 2569528, 2767184, 4061512, 4496674, 4842572, 5139056, 8123024, 8993348, 9685144, 15738359, 17986696, 19370288, 31476718, 35973392, 62953436, 125906872, 251813744]

約数ペア:

[(1, 251813744), (2, 125906872), (4, 62953436), (7, 35973392), (8, 31476718), (13, 19370288), (14, 17986696), (16, 15738359), (26, 9685144), (28, 8993348), (31, 8123024), (49, 5139056), (52, 4842572), (56, 4496674), (62, 4061512), (91, 2767184), (98, 2569528), (104, 2421286), (112, 2248337), (124, 2030756), (182, 1383592), (196, 1284764), (208, 1210643), (217, 1160432), (248, 1015378), (364, 691796), (392, 642382), (403, 624848), (434, 580216), (496, 507689), (637, 395312), (728, 345898), (784, 321191), (797, 315952), (806, 312424), (868, 290108), (1274, 197656), (1456, 172949), (1519, 165776), (1594, 157976), (1612, 156212), (1736, 145054), (2548, 98828), (2821, 89264), (3038, 82888), (3188, 78988), (3224, 78106), (3472, 72527), (5096, 49414), (5579, 45136), (5642, 44632), (6076, 41444), (6376, 39494), (6448, 39053), (10192, 24707), (10361, 24304), (11158, 22568), (11284, 22316), (12152, 20722), (12752, 19747)]