274911728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4462

約数の個数: 80

約数和(自身を含む): 670957056

約数和(自身を除く): 396045328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4391, 4472, 4816, 7826, 8782, 8944, 15652, 17564, 30737, 31304, 35128, 57083, 61474, 62608, 70256, 114166, 122948, 188813, 228332, 245896, 377626, 399581, 456664, 491792, 755252, 799162, 913328, 1321691, 1510504, 1598324, 2454569, 2643382, 3021008, 3196648, 4909138, 5286764, 6393296, 9818276, 10573528, 17181983, 19636552, 21147056, 34363966, 39273104, 68727932, 137455864, 274911728]

約数ペア:

[(1, 274911728), (2, 137455864), (4, 68727932), (7, 39273104), (8, 34363966), (13, 21147056), (14, 19636552), (16, 17181983), (26, 10573528), (28, 9818276), (43, 6393296), (52, 5286764), (56, 4909138), (86, 3196648), (91, 3021008), (104, 2643382), (112, 2454569), (172, 1598324), (182, 1510504), (208, 1321691), (301, 913328), (344, 799162), (364, 755252), (559, 491792), (602, 456664), (688, 399581), (728, 377626), (1118, 245896), (1204, 228332), (1456, 188813), (2236, 122948), (2408, 114166), (3913, 70256), (4391, 62608), (4472, 61474), (4816, 57083), (7826, 35128), (8782, 31304), (8944, 30737), (15652, 17564)]