257139344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5641}}^1$

素因数の和:5704

約数の個数: 80

約数和(自身を含む): 638042496

約数和(自身を除く): 380903152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 518, 592, 616, 814, 1036, 1232, 1628, 2072, 2849, 3256, 4144, 5641, 5698, 6512, 11282, 11396, 22564, 22792, 39487, 45128, 45584, 62051, 78974, 90256, 124102, 157948, 208717, 248204, 315896, 417434, 434357, 496408, 631792, 834868, 868714, 992816, 1461019, 1669736, 1737428, 2295887, 2922038, 3339472, 3474856, 4591774, 5844076, 6949712, 9183548, 11688152, 16071209, 18367096, 23376304, 32142418, 36734192, 64284836, 128569672, 257139344]

約数ペア:

[(1, 257139344), (2, 128569672), (4, 64284836), (7, 36734192), (8, 32142418), (11, 23376304), (14, 18367096), (16, 16071209), (22, 11688152), (28, 9183548), (37, 6949712), (44, 5844076), (56, 4591774), (74, 3474856), (77, 3339472), (88, 2922038), (112, 2295887), (148, 1737428), (154, 1669736), (176, 1461019), (259, 992816), (296, 868714), (308, 834868), (407, 631792), (518, 496408), (592, 434357), (616, 417434), (814, 315896), (1036, 248204), (1232, 208717), (1628, 157948), (2072, 124102), (2849, 90256), (3256, 78974), (4144, 62051), (5641, 45584), (5698, 45128), (6512, 39487), (11282, 22792), (11396, 22564)]