620793719

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 785756160

約数和(自身を除く): 164962441

約数列:

[1, 7, 13, 47, 91, 173, 329, 611, 839, 1211, 2249, 4277, 5873, 8131, 10907, 15743, 39433, 56917, 76349, 105703, 145147, 276031, 512629, 739921, 1016029, 1886911, 3588403, 6821909, 13208377, 47753363, 88684817, 620793719]

約数ペア:

[(1, 620793719), (7, 88684817), (13, 47753363), (47, 13208377), (91, 6821909), (173, 3588403), (329, 1886911), (611, 1016029), (839, 739921), (1211, 512629), (2249, 276031), (4277, 145147), (5873, 105703), (8131, 76349), (10907, 56917), (15743, 39433)]