257191584

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{206083}}^1$

素因数の和:206109

約数の個数: 48

約数和(自身を含む): 727064352

約数和(自身を除く): 469872768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 206083, 412166, 618249, 824332, 1236498, 1648664, 2472996, 2679079, 3297328, 4945992, 5358158, 6594656, 8037237, 9891984, 10716316, 16074474, 19783968, 21432632, 32148948, 42865264, 64297896, 85730528, 128595792, 257191584]

約数ペア:

[(1, 257191584), (2, 128595792), (3, 85730528), (4, 64297896), (6, 42865264), (8, 32148948), (12, 21432632), (13, 19783968), (16, 16074474), (24, 10716316), (26, 9891984), (32, 8037237), (39, 6594656), (48, 5358158), (52, 4945992), (78, 3297328), (96, 2679079), (104, 2472996), (156, 1648664), (208, 1236498), (312, 824332), (416, 618249), (624, 412166), (1248, 206083)]