1277129984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{383753}}^1$

素因数の和:383782

約数の個数: 36

約数和(自身を含む): 2745376116

約数和(自身を除く): 1468246132

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 383753, 767506, 1535012, 3070024, 4988789, 6140048, 9977578, 12280096, 19955156, 24560192, 39910312, 49120384, 79820624, 98240768, 159641248, 319282496, 638564992, 1277129984]

約数ペア:

[(1, 1277129984), (2, 638564992), (4, 319282496), (8, 159641248), (13, 98240768), (16, 79820624), (26, 49120384), (32, 39910312), (52, 24560192), (64, 19955156), (104, 12280096), (128, 9977578), (208, 6140048), (256, 4988789), (416, 3070024), (832, 1535012), (1664, 767506), (3328, 383753)]