217966316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 414935136

約数和(自身を除く): 196968820

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 197, 212, 307, 394, 614, 788, 901, 1228, 1802, 3349, 3604, 5219, 6698, 10438, 10441, 13396, 16271, 20876, 20882, 32542, 41764, 60479, 65084, 120958, 177497, 241916, 276607, 354994, 553214, 709988, 1028143, 1106428, 2056286, 3205387, 4112572, 6410774, 12821548, 54491579, 108983158, 217966316]

約数ペア:

[(1, 217966316), (2, 108983158), (4, 54491579), (17, 12821548), (34, 6410774), (53, 4112572), (68, 3205387), (106, 2056286), (197, 1106428), (212, 1028143), (307, 709988), (394, 553214), (614, 354994), (788, 276607), (901, 241916), (1228, 177497), (1802, 120958), (3349, 65084), (3604, 60479), (5219, 41764), (6698, 32542), (10438, 20882), (10441, 20876), (13396, 16271)]