256245432

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 651024000

約数和(自身を除く): 394778568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 149, 262, 298, 393, 447, 524, 547, 596, 786, 894, 1048, 1094, 1192, 1572, 1641, 1788, 2188, 3144, 3282, 3576, 4376, 6564, 13128, 19519, 39038, 58557, 71657, 78076, 81503, 117114, 143314, 156152, 163006, 214971, 234228, 244509, 286628, 326012, 429942, 468456, 489018, 573256, 652024, 859884, 978036, 1719768, 1956072, 10676893, 21353786, 32030679, 42707572, 64061358, 85415144, 128122716, 256245432]

約数ペア:

[(1, 256245432), (2, 128122716), (3, 85415144), (4, 64061358), (6, 42707572), (8, 32030679), (12, 21353786), (24, 10676893), (131, 1956072), (149, 1719768), (262, 978036), (298, 859884), (393, 652024), (447, 573256), (524, 489018), (547, 468456), (596, 429942), (786, 326012), (894, 286628), (1048, 244509), (1094, 234228), (1192, 214971), (1572, 163006), (1641, 156152), (1788, 143314), (2188, 117114), (3144, 81503), (3282, 78076), (3576, 71657), (4376, 58557), (6564, 39038), (13128, 19519)]