255518312

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 558144000

約数和(自身を除く): 302625688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 149, 226, 271, 298, 452, 542, 596, 791, 904, 1043, 1084, 1192, 1582, 1897, 2086, 2168, 3164, 3794, 4172, 6328, 7588, 8344, 15176, 16837, 30623, 33674, 40379, 61246, 67348, 80758, 117859, 122492, 134696, 161516, 214361, 235718, 244984, 282653, 323032, 428722, 471436, 565306, 857444, 942872, 1130612, 1714888, 2261224, 4562827, 9125654, 18251308, 31939789, 36502616, 63879578, 127759156, 255518312]

約数ペア:

[(1, 255518312), (2, 127759156), (4, 63879578), (7, 36502616), (8, 31939789), (14, 18251308), (28, 9125654), (56, 4562827), (113, 2261224), (149, 1714888), (226, 1130612), (271, 942872), (298, 857444), (452, 565306), (542, 471436), (596, 428722), (791, 323032), (904, 282653), (1043, 244984), (1084, 235718), (1192, 214361), (1582, 161516), (1897, 134696), (2086, 122492), (2168, 117859), (3164, 80758), (3794, 67348), (4172, 61246), (6328, 40379), (7588, 33674), (8344, 30623), (15176, 16837)]