491219344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 1215658304

約数和(自身を除く): 724438960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 67, 77, 88, 112, 121, 134, 154, 176, 242, 268, 308, 469, 484, 536, 541, 616, 737, 847, 938, 968, 1072, 1082, 1232, 1474, 1694, 1876, 1936, 2164, 2948, 3388, 3752, 3787, 4328, 5159, 5896, 5951, 6776, 7504, 7574, 8107, 8656, 10318, 11792, 11902, 13552, 15148, 16214, 20636, 23804, 30296, 32428, 36247, 41272, 41657, 47608, 56749, 60592, 64856, 65461, 72494, 82544, 83314, 95216, 113498, 129712, 130922, 144988, 166628, 226996, 253729, 261844, 289976, 333256, 398717, 453992, 458227, 507458, 523688, 579952, 666512, 797434, 907984, 916454, 1014916, 1047376, 1594868, 1832908, 2029832, 2791019, 3189736, 3665816, 4059664, 4385887, 5582038, 6379472, 7331632, 8771774, 11164076, 17543548, 22328152, 30701209, 35087096, 44656304, 61402418, 70174192, 122804836, 245609672, 491219344]

約数ペア:

[(1, 491219344), (2, 245609672), (4, 122804836), (7, 70174192), (8, 61402418), (11, 44656304), (14, 35087096), (16, 30701209), (22, 22328152), (28, 17543548), (44, 11164076), (56, 8771774), (67, 7331632), (77, 6379472), (88, 5582038), (112, 4385887), (121, 4059664), (134, 3665816), (154, 3189736), (176, 2791019), (242, 2029832), (268, 1832908), (308, 1594868), (469, 1047376), (484, 1014916), (536, 916454), (541, 907984), (616, 797434), (737, 666512), (847, 579952), (938, 523688), (968, 507458), (1072, 458227), (1082, 453992), (1232, 398717), (1474, 333256), (1694, 289976), (1876, 261844), (1936, 253729), (2164, 226996), (2948, 166628), (3388, 144988), (3752, 130922), (3787, 129712), (4328, 113498), (5159, 95216), (5896, 83314), (5951, 82544), (6776, 72494), (7504, 65461), (7574, 64856), (8107, 60592), (8656, 56749), (10318, 47608), (11792, 41657), (11902, 41272), (13552, 36247), (15148, 32428), (16214, 30296), (20636, 23804)]