257219712

素因数分解:

$2^7\times 3^4\times {\mathrm{24809}}^1$

素因数の和:24835

約数の個数: 80

約数和(自身を含む): 765512550

約数和(自身を除く): 508292838

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 24809, 49618, 74427, 99236, 148854, 198472, 223281, 297708, 396944, 446562, 595416, 669843, 793888, 893124, 1190832, 1339686, 1587776, 1786248, 2009529, 2381664, 2679372, 3175552, 3572496, 4019058, 4763328, 5358744, 7144992, 8038116, 9526656, 10717488, 14289984, 16076232, 21434976, 28579968, 32152464, 42869952, 64304928, 85739904, 128609856, 257219712]

約数ペア:

[(1, 257219712), (2, 128609856), (3, 85739904), (4, 64304928), (6, 42869952), (8, 32152464), (9, 28579968), (12, 21434976), (16, 16076232), (18, 14289984), (24, 10717488), (27, 9526656), (32, 8038116), (36, 7144992), (48, 5358744), (54, 4763328), (64, 4019058), (72, 3572496), (81, 3175552), (96, 2679372), (108, 2381664), (128, 2009529), (144, 1786248), (162, 1587776), (192, 1339686), (216, 1190832), (288, 893124), (324, 793888), (384, 669843), (432, 595416), (576, 446562), (648, 396944), (864, 297708), (1152, 223281), (1296, 198472), (1728, 148854), (2592, 99236), (3456, 74427), (5184, 49618), (10368, 24809)]