256479444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1013}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 700175112

約数和(自身を除く): 443695668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 541, 1013, 1082, 1623, 2026, 2164, 3039, 3246, 4052, 4869, 6078, 6492, 7033, 9117, 9738, 12156, 13169, 14066, 18234, 19476, 21099, 26338, 28132, 36468, 39507, 42198, 52676, 63297, 79014, 84396, 118521, 126594, 158028, 237042, 253188, 474084, 548033, 1096066, 1644099, 2192132, 3288198, 4932297, 6576396, 7124429, 9864594, 14248858, 19729188, 21373287, 28497716, 42746574, 64119861, 85493148, 128239722, 256479444]

約数ペア:

[(1, 256479444), (2, 128239722), (3, 85493148), (4, 64119861), (6, 42746574), (9, 28497716), (12, 21373287), (13, 19729188), (18, 14248858), (26, 9864594), (36, 7124429), (39, 6576396), (52, 4932297), (78, 3288198), (117, 2192132), (156, 1644099), (234, 1096066), (468, 548033), (541, 474084), (1013, 253188), (1082, 237042), (1623, 158028), (2026, 126594), (2164, 118521), (3039, 84396), (3246, 79014), (4052, 63297), (4869, 52676), (6078, 42198), (6492, 39507), (7033, 36468), (9117, 28132), (9738, 26338), (12156, 21099), (13169, 19476), (14066, 18234)]