1238866432

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:801

約数の個数: 80

約数和(自身を含む): 2635043400

約数和(自身を除く): 1396176968

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 317, 449, 512, 544, 634, 898, 1088, 1268, 1796, 2176, 2536, 3592, 4352, 5072, 5389, 7184, 7633, 8704, 10144, 10778, 14368, 15266, 20288, 21556, 28736, 30532, 40576, 43112, 57472, 61064, 81152, 86224, 114944, 122128, 142333, 162304, 172448, 229888, 244256, 284666, 344896, 488512, 569332, 689792, 977024, 1138664, 1379584, 1954048, 2277328, 2419661, 2759168, 3908096, 4554656, 4839322, 9109312, 9678644, 18218624, 19357288, 36437248, 38714576, 72874496, 77429152, 154858304, 309716608, 619433216, 1238866432]

約数ペア:

[(1, 1238866432), (2, 619433216), (4, 309716608), (8, 154858304), (16, 77429152), (17, 72874496), (32, 38714576), (34, 36437248), (64, 19357288), (68, 18218624), (128, 9678644), (136, 9109312), (256, 4839322), (272, 4554656), (317, 3908096), (449, 2759168), (512, 2419661), (544, 2277328), (634, 1954048), (898, 1379584), (1088, 1138664), (1268, 977024), (1796, 689792), (2176, 569332), (2536, 488512), (3592, 344896), (4352, 284666), (5072, 244256), (5389, 229888), (7184, 172448), (7633, 162304), (8704, 142333), (10144, 122128), (10778, 114944), (14368, 86224), (15266, 81152), (20288, 61064), (21556, 57472), (28736, 43112), (30532, 40576)]