201731992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 294687848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 53, 56, 74, 77, 88, 106, 148, 154, 167, 212, 259, 296, 308, 334, 371, 407, 424, 518, 583, 616, 668, 742, 814, 1036, 1166, 1169, 1336, 1484, 1628, 1837, 1961, 2072, 2332, 2338, 2849, 2968, 3256, 3674, 3922, 4081, 4664, 4676, 5698, 6179, 7348, 7844, 8162, 8851, 9352, 11396, 12358, 12859, 13727, 14696, 15688, 16324, 17702, 21571, 22792, 24716, 25718, 27454, 32648, 35404, 43142, 43253, 49432, 51436, 54908, 61957, 67969, 70808, 86284, 86506, 97361, 102872, 109816, 123914, 135938, 150997, 172568, 173012, 194722, 247828, 271876, 301994, 327487, 346024, 389444, 475783, 495656, 543752, 603988, 654974, 681527, 778888, 951566, 1207976, 1309948, 1363054, 1903132, 2292409, 2619896, 2726108, 3602357, 3806264, 4584818, 5452216, 7204714, 9169636, 14409428, 18339272, 25216499, 28818856, 50432998, 100865996, 201731992]

約数ペア:

[(1, 201731992), (2, 100865996), (4, 50432998), (7, 28818856), (8, 25216499), (11, 18339272), (14, 14409428), (22, 9169636), (28, 7204714), (37, 5452216), (44, 4584818), (53, 3806264), (56, 3602357), (74, 2726108), (77, 2619896), (88, 2292409), (106, 1903132), (148, 1363054), (154, 1309948), (167, 1207976), (212, 951566), (259, 778888), (296, 681527), (308, 654974), (334, 603988), (371, 543752), (407, 495656), (424, 475783), (518, 389444), (583, 346024), (616, 327487), (668, 301994), (742, 271876), (814, 247828), (1036, 194722), (1166, 173012), (1169, 172568), (1336, 150997), (1484, 135938), (1628, 123914), (1837, 109816), (1961, 102872), (2072, 97361), (2332, 86506), (2338, 86284), (2849, 70808), (2968, 67969), (3256, 61957), (3674, 54908), (3922, 51436), (4081, 49432), (4664, 43253), (4676, 43142), (5698, 35404), (6179, 32648), (7348, 27454), (7844, 25718), (8162, 24716), (8851, 22792), (9352, 21571), (11396, 17702), (12358, 16324), (12859, 15688), (13727, 14696)]