991567272

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{20443}}^1$

素因数の和:20542

約数の個数: 64

約数和(自身を含む): 2590663680

約数和(自身を除く): 1599096408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 344, 376, 516, 564, 1032, 1128, 2021, 4042, 6063, 8084, 12126, 16168, 20443, 24252, 40886, 48504, 61329, 81772, 122658, 163544, 245316, 490632, 879049, 960821, 1758098, 1921642, 2637147, 2882463, 3516196, 3843284, 5274294, 5764926, 7032392, 7686568, 10548588, 11529852, 21097176, 23059704, 41315303, 82630606, 123945909, 165261212, 247891818, 330522424, 495783636, 991567272]

約数ペア:

[(1, 991567272), (2, 495783636), (3, 330522424), (4, 247891818), (6, 165261212), (8, 123945909), (12, 82630606), (24, 41315303), (43, 23059704), (47, 21097176), (86, 11529852), (94, 10548588), (129, 7686568), (141, 7032392), (172, 5764926), (188, 5274294), (258, 3843284), (282, 3516196), (344, 2882463), (376, 2637147), (516, 1921642), (564, 1758098), (1032, 960821), (1128, 879049), (2021, 490632), (4042, 245316), (6063, 163544), (8084, 122658), (12126, 81772), (16168, 61329), (20443, 48504), (24252, 40886)]