251445852

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{142543}}^1$

素因数の和:142567

約数の個数: 54

約数和(自身を含む): 739375728

約数和(自身を除く): 487929876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 142543, 285086, 427629, 570172, 855258, 997801, 1282887, 1710516, 1995602, 2565774, 2993403, 3991204, 5131548, 5986806, 6984607, 8980209, 11973612, 13969214, 17960418, 20953821, 27938428, 35920836, 41907642, 62861463, 83815284, 125722926, 251445852]

約数ペア:

[(1, 251445852), (2, 125722926), (3, 83815284), (4, 62861463), (6, 41907642), (7, 35920836), (9, 27938428), (12, 20953821), (14, 17960418), (18, 13969214), (21, 11973612), (28, 8980209), (36, 6984607), (42, 5986806), (49, 5131548), (63, 3991204), (84, 2993403), (98, 2565774), (126, 1995602), (147, 1710516), (196, 1282887), (252, 997801), (294, 855258), (441, 570172), (588, 427629), (882, 285086), (1764, 142543)]