257941632

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 744730560

約数和(自身を除く): 486788928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 163, 192, 208, 312, 317, 326, 384, 416, 489, 624, 634, 652, 832, 951, 978, 1248, 1268, 1304, 1664, 1902, 1956, 2119, 2496, 2536, 2608, 3804, 3912, 4121, 4238, 4992, 5072, 5216, 6357, 7608, 7824, 8242, 8476, 10144, 10432, 12363, 12714, 15216, 15648, 16484, 16952, 20288, 20864, 24726, 25428, 30432, 31296, 32968, 33904, 40576, 49452, 50856, 51671, 60864, 62592, 65936, 67808, 98904, 101712, 103342, 121728, 131872, 135616, 155013, 197808, 203424, 206684, 263744, 271232, 310026, 395616, 406848, 413368, 527488, 620052, 671723, 791232, 813696, 826736, 1240104, 1343446, 1582464, 1653472, 2015169, 2480208, 2686892, 3306944, 4030338, 4960416, 5373784, 6613888, 8060676, 9920832, 10747568, 16121352, 19841664, 21495136, 32242704, 42990272, 64485408, 85980544, 128970816, 257941632]

約数ペア:

[(1, 257941632), (2, 128970816), (3, 85980544), (4, 64485408), (6, 42990272), (8, 32242704), (12, 21495136), (13, 19841664), (16, 16121352), (24, 10747568), (26, 9920832), (32, 8060676), (39, 6613888), (48, 5373784), (52, 4960416), (64, 4030338), (78, 3306944), (96, 2686892), (104, 2480208), (128, 2015169), (156, 1653472), (163, 1582464), (192, 1343446), (208, 1240104), (312, 826736), (317, 813696), (326, 791232), (384, 671723), (416, 620052), (489, 527488), (624, 413368), (634, 406848), (652, 395616), (832, 310026), (951, 271232), (978, 263744), (1248, 206684), (1268, 203424), (1304, 197808), (1664, 155013), (1902, 135616), (1956, 131872), (2119, 121728), (2496, 103342), (2536, 101712), (2608, 98904), (3804, 67808), (3912, 65936), (4121, 62592), (4238, 60864), (4992, 51671), (5072, 50856), (5216, 49452), (6357, 40576), (7608, 33904), (7824, 32968), (8242, 31296), (8476, 30432), (10144, 25428), (10432, 24726), (12363, 20864), (12714, 20288), (15216, 16952), (15648, 16484)]