28661292

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 79711632

約数和(自身を除く): 51050340

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 461, 471, 628, 922, 942, 1383, 1413, 1727, 1844, 1884, 2766, 2826, 3454, 4149, 5071, 5181, 5532, 5652, 6908, 8298, 10142, 10362, 15213, 15543, 16596, 20284, 20724, 30426, 31086, 45639, 60852, 62172, 72377, 91278, 144754, 182556, 217131, 289508, 434262, 651393, 796147, 868524, 1302786, 1592294, 2388441, 2605572, 3184588, 4776882, 7165323, 9553764, 14330646, 28661292]

約数ペア:

[(1, 28661292), (2, 14330646), (3, 9553764), (4, 7165323), (6, 4776882), (9, 3184588), (11, 2605572), (12, 2388441), (18, 1592294), (22, 1302786), (33, 868524), (36, 796147), (44, 651393), (66, 434262), (99, 289508), (132, 217131), (157, 182556), (198, 144754), (314, 91278), (396, 72377), (461, 62172), (471, 60852), (628, 45639), (922, 31086), (942, 30426), (1383, 20724), (1413, 20284), (1727, 16596), (1844, 15543), (1884, 15213), (2766, 10362), (2826, 10142), (3454, 8298), (4149, 6908), (5071, 5652), (5181, 5532)]