78424773

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 122465280

約数和(自身を除く): 44040507

約数列:

[1, 3, 7, 21, 67, 139, 201, 401, 417, 469, 973, 1203, 1407, 2807, 2919, 8421, 9313, 26867, 27939, 55739, 65191, 80601, 167217, 188069, 195573, 390173, 564207, 1170519, 3734513, 11203539, 26141591, 78424773]

約数ペア:

[(1, 78424773), (3, 26141591), (7, 11203539), (21, 3734513), (67, 1170519), (139, 564207), (201, 390173), (401, 195573), (417, 188069), (469, 167217), (973, 80601), (1203, 65191), (1407, 55739), (2807, 27939), (2919, 26867), (8421, 9313)]