20171505798

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{136447}}^1$

素因数の和:136689

約数の個数: 48

約数和(自身を含む): 44955795456

約数和(自身を除く): 24784289658

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 191, 258, 382, 387, 573, 774, 1146, 1719, 3438, 8213, 16426, 24639, 49278, 73917, 136447, 147834, 272894, 409341, 818682, 1228023, 2456046, 5867221, 11734442, 17601663, 26061377, 35203326, 52122754, 52804989, 78184131, 105609978, 156368262, 234552393, 469104786, 1120639211, 2241278422, 3361917633, 6723835266, 10085752899, 20171505798]

約数ペア:

[(1, 20171505798), (2, 10085752899), (3, 6723835266), (6, 3361917633), (9, 2241278422), (18, 1120639211), (43, 469104786), (86, 234552393), (129, 156368262), (191, 105609978), (258, 78184131), (382, 52804989), (387, 52122754), (573, 35203326), (774, 26061377), (1146, 17601663), (1719, 11734442), (3438, 5867221), (8213, 2456046), (16426, 1228023), (24639, 818682), (49278, 409341), (73917, 272894), (136447, 147834)]