678871648

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 1682311680

約数和(自身を除く): 1003440032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 79, 91, 104, 112, 158, 169, 182, 208, 224, 227, 316, 338, 364, 416, 454, 553, 632, 676, 728, 908, 1027, 1106, 1183, 1264, 1352, 1456, 1589, 1816, 2054, 2212, 2366, 2528, 2704, 2912, 2951, 3178, 3632, 4108, 4424, 4732, 5408, 5902, 6356, 7189, 7264, 8216, 8848, 9464, 11804, 12712, 13351, 14378, 16432, 17696, 17933, 18928, 20657, 23608, 25424, 26702, 28756, 32864, 35866, 37856, 38363, 41314, 47216, 50848, 53404, 57512, 71732, 76726, 82628, 93457, 94432, 106808, 115024, 125531, 143464, 153452, 165256, 186914, 213616, 230048, 233129, 251062, 268541, 286928, 306904, 330512, 373828, 427232, 466258, 502124, 537082, 573856, 613808, 661024, 747656, 932516, 1004248, 1074164, 1227616, 1495312, 1631903, 1865032, 2008496, 2148328, 2990624, 3030677, 3263806, 3730064, 4016992, 4296656, 6061354, 6527612, 7460128, 8593312, 12122708, 13055224, 21214739, 24245416, 26110448, 42429478, 48490832, 52220896, 84858956, 96981664, 169717912, 339435824, 678871648]

約数ペア:

[(1, 678871648), (2, 339435824), (4, 169717912), (7, 96981664), (8, 84858956), (13, 52220896), (14, 48490832), (16, 42429478), (26, 26110448), (28, 24245416), (32, 21214739), (52, 13055224), (56, 12122708), (79, 8593312), (91, 7460128), (104, 6527612), (112, 6061354), (158, 4296656), (169, 4016992), (182, 3730064), (208, 3263806), (224, 3030677), (227, 2990624), (316, 2148328), (338, 2008496), (364, 1865032), (416, 1631903), (454, 1495312), (553, 1227616), (632, 1074164), (676, 1004248), (728, 932516), (908, 747656), (1027, 661024), (1106, 613808), (1183, 573856), (1264, 537082), (1352, 502124), (1456, 466258), (1589, 427232), (1816, 373828), (2054, 330512), (2212, 306904), (2366, 286928), (2528, 268541), (2704, 251062), (2912, 233129), (2951, 230048), (3178, 213616), (3632, 186914), (4108, 165256), (4424, 153452), (4732, 143464), (5408, 125531), (5902, 115024), (6356, 106808), (7189, 94432), (7264, 93457), (8216, 82628), (8848, 76726), (9464, 71732), (11804, 57512), (12712, 53404), (13351, 50848), (14378, 47216), (16432, 41314), (17696, 38363), (17933, 37856), (18928, 35866), (20657, 32864), (23608, 28756), (25424, 26702)]