231978456

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 678874560

約数和(自身を除く): 446896104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 37, 53, 62, 72, 74, 93, 106, 111, 124, 148, 159, 186, 212, 222, 248, 279, 296, 318, 333, 372, 424, 444, 477, 558, 636, 666, 744, 888, 954, 1116, 1147, 1272, 1332, 1643, 1908, 1961, 2232, 2294, 2664, 2809, 3286, 3441, 3816, 3922, 4588, 4929, 5618, 5883, 6572, 6882, 7844, 8427, 9176, 9858, 10323, 11236, 11766, 13144, 13764, 14787, 15688, 16854, 17649, 19716, 20646, 22472, 23532, 25281, 27528, 29574, 33708, 35298, 39432, 41292, 47064, 50562, 59148, 60791, 67416, 70596, 82584, 87079, 101124, 103933, 118296, 121582, 141192, 174158, 182373, 202248, 207866, 243164, 261237, 311799, 348316, 364746, 415732, 486328, 522474, 547119, 623598, 696632, 729492, 783711, 831464, 935397, 1044948, 1094238, 1247196, 1458984, 1567422, 1870794, 2089896, 2188476, 2494392, 3134844, 3221923, 3741588, 4376952, 6269688, 6443846, 7483176, 9665769, 12887692, 19331538, 25775384, 28997307, 38663076, 57994614, 77326152, 115989228, 231978456]

約数ペア:

[(1, 231978456), (2, 115989228), (3, 77326152), (4, 57994614), (6, 38663076), (8, 28997307), (9, 25775384), (12, 19331538), (18, 12887692), (24, 9665769), (31, 7483176), (36, 6443846), (37, 6269688), (53, 4376952), (62, 3741588), (72, 3221923), (74, 3134844), (93, 2494392), (106, 2188476), (111, 2089896), (124, 1870794), (148, 1567422), (159, 1458984), (186, 1247196), (212, 1094238), (222, 1044948), (248, 935397), (279, 831464), (296, 783711), (318, 729492), (333, 696632), (372, 623598), (424, 547119), (444, 522474), (477, 486328), (558, 415732), (636, 364746), (666, 348316), (744, 311799), (888, 261237), (954, 243164), (1116, 207866), (1147, 202248), (1272, 182373), (1332, 174158), (1643, 141192), (1908, 121582), (1961, 118296), (2232, 103933), (2294, 101124), (2664, 87079), (2809, 82584), (3286, 70596), (3441, 67416), (3816, 60791), (3922, 59148), (4588, 50562), (4929, 47064), (5618, 41292), (5883, 39432), (6572, 35298), (6882, 33708), (7844, 29574), (8427, 27528), (9176, 25281), (9858, 23532), (10323, 22472), (11236, 20646), (11766, 19716), (13144, 17649), (13764, 16854), (14787, 15688)]