267354256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1999}}^1$

素因数の和:2663

約数の個数: 40

約数和(自身を含む): 558992000

約数和(自身を除く): 291637744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 643, 1286, 1999, 2572, 3998, 5144, 7996, 8359, 10288, 15992, 16718, 25987, 31984, 33436, 51974, 66872, 103948, 133744, 207896, 415792, 1285357, 2570714, 5141428, 10282856, 16709641, 20565712, 33419282, 66838564, 133677128, 267354256]

約数ペア:

[(1, 267354256), (2, 133677128), (4, 66838564), (8, 33419282), (13, 20565712), (16, 16709641), (26, 10282856), (52, 5141428), (104, 2570714), (208, 1285357), (643, 415792), (1286, 207896), (1999, 133744), (2572, 103948), (3998, 66872), (5144, 51974), (7996, 33436), (8359, 31984), (10288, 25987), (15992, 16718)]