161389836

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 421044624

約数和(自身を除く): 259654788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 137, 172, 258, 274, 387, 411, 516, 548, 761, 774, 822, 1233, 1522, 1548, 1644, 2283, 2466, 3044, 4566, 4932, 5891, 6849, 9132, 11782, 13698, 17673, 23564, 27396, 32723, 35346, 53019, 65446, 70692, 98169, 104257, 106038, 130892, 196338, 208514, 212076, 294507, 312771, 392676, 417028, 589014, 625542, 938313, 1178028, 1251084, 1876626, 3753252, 4483051, 8966102, 13449153, 17932204, 26898306, 40347459, 53796612, 80694918, 161389836]

約数ペア:

[(1, 161389836), (2, 80694918), (3, 53796612), (4, 40347459), (6, 26898306), (9, 17932204), (12, 13449153), (18, 8966102), (36, 4483051), (43, 3753252), (86, 1876626), (129, 1251084), (137, 1178028), (172, 938313), (258, 625542), (274, 589014), (387, 417028), (411, 392676), (516, 312771), (548, 294507), (761, 212076), (774, 208514), (822, 196338), (1233, 130892), (1522, 106038), (1548, 104257), (1644, 98169), (2283, 70692), (2466, 65446), (3044, 53019), (4566, 35346), (4932, 32723), (5891, 27396), (6849, 23564), (9132, 17673), (11782, 13698)]