201966457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 261808128

約数和(自身を除く): 59841671

約数列:

[1, 7, 11, 31, 77, 211, 217, 341, 401, 1477, 2321, 2387, 2807, 4411, 6541, 12431, 16247, 30877, 45787, 71951, 84611, 87017, 136741, 503657, 592277, 930721, 957187, 2622941, 6515047, 18360587, 28852351, 201966457]

約数ペア:

[(1, 201966457), (7, 28852351), (11, 18360587), (31, 6515047), (77, 2622941), (211, 957187), (217, 930721), (341, 592277), (401, 503657), (1477, 136741), (2321, 87017), (2387, 84611), (2807, 71951), (4411, 45787), (6541, 30877), (12431, 16247)]