261684516

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 660602880

約数和(自身を除く): 398918364

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 127, 174, 186, 191, 254, 348, 372, 381, 382, 508, 573, 762, 764, 899, 1146, 1524, 1798, 2292, 2697, 3596, 3683, 3937, 5394, 5539, 5921, 7366, 7874, 10788, 11049, 11078, 11811, 11842, 14732, 15748, 16617, 17763, 22098, 22156, 23622, 23684, 24257, 33234, 35526, 44196, 47244, 48514, 66468, 71052, 72771, 97028, 114173, 145542, 171709, 228346, 291084, 342519, 343418, 456692, 515127, 685038, 686836, 703453, 751967, 1030254, 1370076, 1406906, 1503934, 2060508, 2110359, 2255901, 2813812, 3007868, 4220718, 4511802, 8441436, 9023604, 21807043, 43614086, 65421129, 87228172, 130842258, 261684516]

約数ペア:

[(1, 261684516), (2, 130842258), (3, 87228172), (4, 65421129), (6, 43614086), (12, 21807043), (29, 9023604), (31, 8441436), (58, 4511802), (62, 4220718), (87, 3007868), (93, 2813812), (116, 2255901), (124, 2110359), (127, 2060508), (174, 1503934), (186, 1406906), (191, 1370076), (254, 1030254), (348, 751967), (372, 703453), (381, 686836), (382, 685038), (508, 515127), (573, 456692), (762, 343418), (764, 342519), (899, 291084), (1146, 228346), (1524, 171709), (1798, 145542), (2292, 114173), (2697, 97028), (3596, 72771), (3683, 71052), (3937, 66468), (5394, 48514), (5539, 47244), (5921, 44196), (7366, 35526), (7874, 33234), (10788, 24257), (11049, 23684), (11078, 23622), (11811, 22156), (11842, 22098), (14732, 17763), (15748, 16617)]