247865072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 626959872

約数和(自身を除く): 379094800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 43, 52, 56, 74, 86, 91, 104, 107, 112, 148, 172, 182, 208, 214, 259, 296, 301, 344, 364, 428, 481, 518, 559, 592, 602, 688, 728, 749, 856, 962, 1036, 1118, 1204, 1391, 1456, 1498, 1591, 1712, 1924, 2072, 2236, 2408, 2782, 2996, 3182, 3367, 3848, 3913, 3959, 4144, 4472, 4601, 4816, 5564, 5992, 6364, 6734, 7696, 7826, 7918, 8944, 9202, 9737, 11128, 11137, 11984, 12728, 13468, 15652, 15836, 18404, 19474, 20683, 22256, 22274, 25456, 26936, 27713, 31304, 31672, 32207, 36808, 38948, 41366, 44548, 51467, 53872, 55426, 59813, 62608, 63344, 64414, 73616, 77896, 82732, 89096, 102934, 110852, 119626, 128828, 144781, 155792, 165464, 170237, 178192, 205868, 221704, 239252, 257656, 289562, 330928, 340474, 360269, 411736, 418691, 443408, 478504, 515312, 579124, 680948, 720538, 823472, 837382, 957008, 1158248, 1191659, 1361896, 1441076, 1674764, 2213081, 2316496, 2383318, 2723792, 2882152, 3349528, 4426162, 4766636, 5764304, 6699056, 8852324, 9533272, 15491567, 17704648, 19066544, 30983134, 35409296, 61966268, 123932536, 247865072]

約数ペア:

[(1, 247865072), (2, 123932536), (4, 61966268), (7, 35409296), (8, 30983134), (13, 19066544), (14, 17704648), (16, 15491567), (26, 9533272), (28, 8852324), (37, 6699056), (43, 5764304), (52, 4766636), (56, 4426162), (74, 3349528), (86, 2882152), (91, 2723792), (104, 2383318), (107, 2316496), (112, 2213081), (148, 1674764), (172, 1441076), (182, 1361896), (208, 1191659), (214, 1158248), (259, 957008), (296, 837382), (301, 823472), (344, 720538), (364, 680948), (428, 579124), (481, 515312), (518, 478504), (559, 443408), (592, 418691), (602, 411736), (688, 360269), (728, 340474), (749, 330928), (856, 289562), (962, 257656), (1036, 239252), (1118, 221704), (1204, 205868), (1391, 178192), (1456, 170237), (1498, 165464), (1591, 155792), (1712, 144781), (1924, 128828), (2072, 119626), (2236, 110852), (2408, 102934), (2782, 89096), (2996, 82732), (3182, 77896), (3367, 73616), (3848, 64414), (3913, 63344), (3959, 62608), (4144, 59813), (4472, 55426), (4601, 53872), (4816, 51467), (5564, 44548), (5992, 41366), (6364, 38948), (6734, 36808), (7696, 32207), (7826, 31672), (7918, 31304), (8944, 27713), (9202, 26936), (9737, 25456), (11128, 22274), (11137, 22256), (11984, 20683), (12728, 19474), (13468, 18404), (15652, 15836)]