31172076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 86886800

約数和(自身を除く): 55714724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1549, 1677, 2236, 3098, 3354, 4647, 5031, 6196, 6708, 9294, 10062, 13941, 18588, 20124, 20137, 27882, 40274, 55764, 60411, 66607, 80548, 120822, 133214, 181233, 199821, 241644, 266428, 362466, 399642, 599463, 724932, 799284, 865891, 1198926, 1731782, 2397852, 2597673, 3463564, 5195346, 7793019, 10390692, 15586038, 31172076]

約数ペア:

[(1, 31172076), (2, 15586038), (3, 10390692), (4, 7793019), (6, 5195346), (9, 3463564), (12, 2597673), (13, 2397852), (18, 1731782), (26, 1198926), (36, 865891), (39, 799284), (43, 724932), (52, 599463), (78, 399642), (86, 362466), (117, 266428), (129, 241644), (156, 199821), (172, 181233), (234, 133214), (258, 120822), (387, 80548), (468, 66607), (516, 60411), (559, 55764), (774, 40274), (1118, 27882), (1548, 20137), (1549, 20124), (1677, 18588), (2236, 13941), (3098, 10062), (3354, 9294), (4647, 6708), (5031, 6196)]