81369344

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2711

約数の個数: 72

約数和(自身を含む): 196616448

約数和(自身を除く): 115247104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2176, 2671, 3808, 4352, 5342, 7616, 10684, 15232, 18697, 21368, 30464, 37394, 42736, 45407, 74788, 85472, 90814, 149576, 170944, 181628, 299152, 317849, 341888, 363256, 598304, 635698, 683776, 726512, 1196608, 1271396, 1453024, 2393216, 2542792, 2906048, 4786432, 5085584, 5812096, 10171168, 11624192, 20342336, 40684672, 81369344]

約数ペア:

[(1, 81369344), (2, 40684672), (4, 20342336), (7, 11624192), (8, 10171168), (14, 5812096), (16, 5085584), (17, 4786432), (28, 2906048), (32, 2542792), (34, 2393216), (56, 1453024), (64, 1271396), (68, 1196608), (112, 726512), (119, 683776), (128, 635698), (136, 598304), (224, 363256), (238, 341888), (256, 317849), (272, 299152), (448, 181628), (476, 170944), (544, 149576), (896, 90814), (952, 85472), (1088, 74788), (1792, 45407), (1904, 42736), (2176, 37394), (2671, 30464), (3808, 21368), (4352, 18697), (5342, 15232), (7616, 10684)]