218591168

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6541

約数の個数: 56

約数和(自身を含む): 474171264

約数和(自身を除く): 255580096

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 4216, 6481, 8432, 12962, 16864, 25924, 33728, 51848, 103696, 110177, 200911, 207392, 220354, 401822, 414784, 440708, 803644, 881416, 1607288, 1762832, 3214576, 3415487, 3525664, 6429152, 6830974, 7051328, 12858304, 13661948, 27323896, 54647792, 109295584, 218591168]

約数ペア:

[(1, 218591168), (2, 109295584), (4, 54647792), (8, 27323896), (16, 13661948), (17, 12858304), (31, 7051328), (32, 6830974), (34, 6429152), (62, 3525664), (64, 3415487), (68, 3214576), (124, 1762832), (136, 1607288), (248, 881416), (272, 803644), (496, 440708), (527, 414784), (544, 401822), (992, 220354), (1054, 207392), (1088, 200911), (1984, 110177), (2108, 103696), (4216, 51848), (6481, 33728), (8432, 25924), (12962, 16864)]