128411692

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1831}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 228523680

約数和(自身を除く): 100111988

約数列:

[1, 2, 4, 89, 178, 197, 356, 394, 788, 1831, 3662, 7324, 17533, 35066, 70132, 162959, 325918, 360707, 651836, 721414, 1442828, 32102923, 64205846, 128411692]

約数ペア:

[(1, 128411692), (2, 64205846), (4, 32102923), (89, 1442828), (178, 721414), (197, 651836), (356, 360707), (394, 325918), (788, 162959), (1831, 70132), (3662, 35066), (7324, 17533)]