213475052

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 501731328

約数和(自身を除く): 288256276

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 31, 34, 37, 46, 62, 68, 74, 92, 119, 124, 148, 161, 217, 238, 259, 289, 322, 391, 434, 476, 518, 527, 578, 629, 644, 713, 782, 851, 868, 1036, 1054, 1147, 1156, 1258, 1426, 1564, 1702, 2023, 2108, 2294, 2516, 2737, 2852, 3404, 3689, 4046, 4403, 4588, 4991, 5474, 5957, 6647, 7378, 8029, 8092, 8806, 8959, 9982, 10693, 10948, 11914, 12121, 13294, 14467, 14756, 16058, 17612, 17918, 19499, 19964, 21386, 23828, 24242, 26381, 26588, 28934, 32116, 35836, 38998, 42772, 46529, 48484, 52762, 57868, 62713, 74851, 77996, 84847, 93058, 101269, 105524, 125426, 136493, 149702, 169694, 184667, 186116, 202538, 206057, 245939, 250852, 272986, 299404, 331483, 339388, 369334, 405076, 412114, 448477, 491878, 545972, 662966, 738668, 824228, 896954, 983756, 1325932, 1442399, 1721573, 1793908, 2320381, 2884798, 3139339, 3443146, 4640762, 5769596, 6278678, 6886292, 7624109, 9281524, 12557356, 15248218, 30496436, 53368763, 106737526, 213475052]

約数ペア:

[(1, 213475052), (2, 106737526), (4, 53368763), (7, 30496436), (14, 15248218), (17, 12557356), (23, 9281524), (28, 7624109), (31, 6886292), (34, 6278678), (37, 5769596), (46, 4640762), (62, 3443146), (68, 3139339), (74, 2884798), (92, 2320381), (119, 1793908), (124, 1721573), (148, 1442399), (161, 1325932), (217, 983756), (238, 896954), (259, 824228), (289, 738668), (322, 662966), (391, 545972), (434, 491878), (476, 448477), (518, 412114), (527, 405076), (578, 369334), (629, 339388), (644, 331483), (713, 299404), (782, 272986), (851, 250852), (868, 245939), (1036, 206057), (1054, 202538), (1147, 186116), (1156, 184667), (1258, 169694), (1426, 149702), (1564, 136493), (1702, 125426), (2023, 105524), (2108, 101269), (2294, 93058), (2516, 84847), (2737, 77996), (2852, 74851), (3404, 62713), (3689, 57868), (4046, 52762), (4403, 48484), (4588, 46529), (4991, 42772), (5474, 38998), (5957, 35836), (6647, 32116), (7378, 28934), (8029, 26588), (8092, 26381), (8806, 24242), (8959, 23828), (9982, 21386), (10693, 19964), (10948, 19499), (11914, 17918), (12121, 17612), (13294, 16058), (14467, 14756)]