261554874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 662323200

約数和(自身を除く): 400768326

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 97, 109, 114, 133, 186, 194, 217, 218, 266, 291, 327, 399, 434, 582, 589, 651, 654, 679, 763, 798, 1178, 1302, 1358, 1526, 1767, 1843, 2037, 2071, 2289, 3007, 3379, 3534, 3686, 4074, 4123, 4142, 4578, 5529, 6014, 6213, 6758, 8246, 9021, 10137, 10573, 11058, 12369, 12426, 12901, 14497, 18042, 20274, 21049, 21146, 23653, 24738, 25802, 28994, 31719, 38703, 42098, 43491, 47306, 57133, 63147, 63438, 64201, 70959, 74011, 77406, 86982, 114266, 126294, 128402, 141918, 148022, 171399, 192603, 200887, 222033, 327763, 342798, 385206, 399931, 401774, 444066, 449407, 602661, 655526, 799862, 898814, 983289, 1199793, 1205322, 1348221, 1406209, 1966578, 2294341, 2399586, 2696442, 2812418, 4218627, 4588682, 6227497, 6883023, 8437254, 12454994, 13766046, 18682491, 37364982, 43592479, 87184958, 130777437, 261554874]

約数ペア:

[(1, 261554874), (2, 130777437), (3, 87184958), (6, 43592479), (7, 37364982), (14, 18682491), (19, 13766046), (21, 12454994), (31, 8437254), (38, 6883023), (42, 6227497), (57, 4588682), (62, 4218627), (93, 2812418), (97, 2696442), (109, 2399586), (114, 2294341), (133, 1966578), (186, 1406209), (194, 1348221), (217, 1205322), (218, 1199793), (266, 983289), (291, 898814), (327, 799862), (399, 655526), (434, 602661), (582, 449407), (589, 444066), (651, 401774), (654, 399931), (679, 385206), (763, 342798), (798, 327763), (1178, 222033), (1302, 200887), (1358, 192603), (1526, 171399), (1767, 148022), (1843, 141918), (2037, 128402), (2071, 126294), (2289, 114266), (3007, 86982), (3379, 77406), (3534, 74011), (3686, 70959), (4074, 64201), (4123, 63438), (4142, 63147), (4578, 57133), (5529, 47306), (6014, 43491), (6213, 42098), (6758, 38703), (8246, 31719), (9021, 28994), (10137, 25802), (10573, 24738), (11058, 23653), (12369, 21146), (12426, 21049), (12901, 20274), (14497, 18042)]