209735678

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 328320000

約数和(自身を除く): 118584322

約数列:

[1, 2, 59, 79, 118, 149, 151, 158, 298, 302, 4661, 8791, 8909, 9322, 11771, 11929, 17582, 17818, 22499, 23542, 23858, 44998, 694489, 703811, 1327441, 1388978, 1407622, 1777421, 2654882, 3554842, 104867839, 209735678]

約数ペア:

[(1, 209735678), (2, 104867839), (59, 3554842), (79, 2654882), (118, 1777421), (149, 1407622), (151, 1388978), (158, 1327441), (298, 703811), (302, 694489), (4661, 44998), (8791, 23858), (8909, 23542), (9322, 22499), (11771, 17818), (11929, 17582)]