257512704

素因数分解:

$2^8\times 3^1\times {\mathrm{331}}^1\times {\mathrm{1013}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 688108512

約数和(自身を除く): 430595808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 331, 384, 662, 768, 993, 1013, 1324, 1986, 2026, 2648, 3039, 3972, 4052, 5296, 6078, 7944, 8104, 10592, 12156, 15888, 16208, 21184, 24312, 31776, 32416, 42368, 48624, 63552, 64832, 84736, 97248, 127104, 129664, 194496, 254208, 259328, 335303, 388992, 670606, 777984, 1005909, 1341212, 2011818, 2682424, 4023636, 5364848, 8047272, 10729696, 16094544, 21459392, 32189088, 42918784, 64378176, 85837568, 128756352, 257512704]

約数ペア:

[(1, 257512704), (2, 128756352), (3, 85837568), (4, 64378176), (6, 42918784), (8, 32189088), (12, 21459392), (16, 16094544), (24, 10729696), (32, 8047272), (48, 5364848), (64, 4023636), (96, 2682424), (128, 2011818), (192, 1341212), (256, 1005909), (331, 777984), (384, 670606), (662, 388992), (768, 335303), (993, 259328), (1013, 254208), (1324, 194496), (1986, 129664), (2026, 127104), (2648, 97248), (3039, 84736), (3972, 64832), (4052, 63552), (5296, 48624), (6078, 42368), (7944, 32416), (8104, 31776), (10592, 24312), (12156, 21184), (15888, 16208)]