3978884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 9088128

約数和(自身を除く): 5109244

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 643, 884, 1286, 1547, 2572, 3094, 4501, 6188, 8359, 9002, 10931, 16718, 18004, 21862, 33436, 43724, 58513, 76517, 117026, 142103, 153034, 234052, 284206, 306068, 568412, 994721, 1989442, 3978884]

約数ペア:

[(1, 3978884), (2, 1989442), (4, 994721), (7, 568412), (13, 306068), (14, 284206), (17, 234052), (26, 153034), (28, 142103), (34, 117026), (52, 76517), (68, 58513), (91, 43724), (119, 33436), (182, 21862), (221, 18004), (238, 16718), (364, 10931), (442, 9002), (476, 8359), (643, 6188), (884, 4501), (1286, 3094), (1547, 2572)]