256400368

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{78941}}^1$

素因数の和:78985

約数の個数: 40

約数和(自身を含む): 587328480

約数和(自身を除く): 330928112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 78941, 157882, 315764, 552587, 631528, 1105174, 1263056, 2210348, 2289289, 4420696, 4578578, 8841392, 9157156, 16025023, 18314312, 32050046, 36628624, 64100092, 128200184, 256400368]

約数ペア:

[(1, 256400368), (2, 128200184), (4, 64100092), (7, 36628624), (8, 32050046), (14, 18314312), (16, 16025023), (28, 9157156), (29, 8841392), (56, 4578578), (58, 4420696), (112, 2289289), (116, 2210348), (203, 1263056), (232, 1105174), (406, 631528), (464, 552587), (812, 315764), (1624, 157882), (3248, 78941)]