247656136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20011}}^1$

素因数の和:20054

約数の個数: 64

約数和(自身を含む): 605162880

約数和(自身を除く): 357506744

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 20011, 40022, 80044, 140077, 160088, 260143, 280154, 340187, 520286, 560308, 680374, 1040572, 1120616, 1360748, 1821001, 2081144, 2381309, 2721496, 3642002, 4422431, 4762618, 7284004, 8844862, 9525236, 14568008, 17689724, 19050472, 30957017, 35379448, 61914034, 123828068, 247656136]

約数ペア:

[(1, 247656136), (2, 123828068), (4, 61914034), (7, 35379448), (8, 30957017), (13, 19050472), (14, 17689724), (17, 14568008), (26, 9525236), (28, 8844862), (34, 7284004), (52, 4762618), (56, 4422431), (68, 3642002), (91, 2721496), (104, 2381309), (119, 2081144), (136, 1821001), (182, 1360748), (221, 1120616), (238, 1040572), (364, 680374), (442, 560308), (476, 520286), (728, 340187), (884, 280154), (952, 260143), (1547, 160088), (1768, 140077), (3094, 80044), (6188, 40022), (12376, 20011)]