209695552

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 487558080

約数和(自身を除く): 277862528

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 61, 64, 76, 88, 122, 152, 176, 209, 244, 257, 304, 352, 418, 488, 514, 608, 671, 704, 836, 976, 1028, 1159, 1216, 1342, 1672, 1952, 2056, 2318, 2684, 2827, 3344, 3904, 4112, 4636, 4883, 5368, 5654, 6688, 8224, 9272, 9766, 10736, 11308, 12749, 13376, 15677, 16448, 18544, 19532, 21472, 22616, 25498, 31354, 37088, 39064, 42944, 45232, 50996, 53713, 62708, 74176, 78128, 90464, 101992, 107426, 125416, 156256, 172447, 180928, 203984, 214852, 250832, 297863, 312512, 344894, 407968, 429704, 501664, 595726, 689788, 815936, 859408, 1003328, 1191452, 1379576, 1718816, 2382904, 2759152, 3276493, 3437632, 4765808, 5518304, 6552986, 9531616, 11036608, 13105972, 19063232, 26211944, 52423888, 104847776, 209695552]

約数ペア:

[(1, 209695552), (2, 104847776), (4, 52423888), (8, 26211944), (11, 19063232), (16, 13105972), (19, 11036608), (22, 9531616), (32, 6552986), (38, 5518304), (44, 4765808), (61, 3437632), (64, 3276493), (76, 2759152), (88, 2382904), (122, 1718816), (152, 1379576), (176, 1191452), (209, 1003328), (244, 859408), (257, 815936), (304, 689788), (352, 595726), (418, 501664), (488, 429704), (514, 407968), (608, 344894), (671, 312512), (704, 297863), (836, 250832), (976, 214852), (1028, 203984), (1159, 180928), (1216, 172447), (1342, 156256), (1672, 125416), (1952, 107426), (2056, 101992), (2318, 90464), (2684, 78128), (2827, 74176), (3344, 62708), (3904, 53713), (4112, 50996), (4636, 45232), (4883, 42944), (5368, 39064), (5654, 37088), (6688, 31354), (8224, 25498), (9272, 22616), (9766, 21472), (10736, 19532), (11308, 18544), (12749, 16448), (13376, 15677)]