1279689984

素因数分解:

$2^8\times 3^2\times {\mathrm{555421}}^1$

素因数の和:555443

約数の個数: 54

約数和(自身を含む): 3689668346

約数和(自身を除く): 2409978362

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 555421, 1110842, 1666263, 2221684, 3332526, 4443368, 4998789, 6665052, 8886736, 9997578, 13330104, 17773472, 19995156, 26660208, 35546944, 39990312, 53320416, 71093888, 79980624, 106640832, 142187776, 159961248, 213281664, 319922496, 426563328, 639844992, 1279689984]

約数ペア:

[(1, 1279689984), (2, 639844992), (3, 426563328), (4, 319922496), (6, 213281664), (8, 159961248), (9, 142187776), (12, 106640832), (16, 79980624), (18, 71093888), (24, 53320416), (32, 39990312), (36, 35546944), (48, 26660208), (64, 19995156), (72, 17773472), (96, 13330104), (128, 9997578), (144, 8886736), (192, 6665052), (256, 4998789), (288, 4443368), (384, 3332526), (576, 2221684), (768, 1666263), (1152, 1110842), (2304, 555421)]