405992012

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{769}}^1\times {\mathrm{1483}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 719888400

約数和(自身を除く): 313896388

約数列:

[1, 2, 4, 89, 178, 356, 769, 1483, 1538, 2966, 3076, 5932, 68441, 131987, 136882, 263974, 273764, 527948, 1140427, 2280854, 4561708, 101498003, 202996006, 405992012]

約数ペア:

[(1, 405992012), (2, 202996006), (4, 101498003), (89, 4561708), (178, 2280854), (356, 1140427), (769, 527948), (1483, 273764), (1538, 263974), (2966, 136882), (3076, 131987), (5932, 68441)]