256937148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{549011}}^1$

素因数の和:549034

約数の個数: 36

約数和(自身を含む): 699441288

約数和(自身を除く): 442504140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 549011, 1098022, 1647033, 2196044, 3294066, 4941099, 6588132, 7137143, 9882198, 14274286, 19764396, 21411429, 28548572, 42822858, 64234287, 85645716, 128468574, 256937148]

約数ペア:

[(1, 256937148), (2, 128468574), (3, 85645716), (4, 64234287), (6, 42822858), (9, 28548572), (12, 21411429), (13, 19764396), (18, 14274286), (26, 9882198), (36, 7137143), (39, 6588132), (52, 4941099), (78, 3294066), (117, 2196044), (156, 1647033), (234, 1098022), (468, 549011)]