280520096129

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14205707}}^1$

素因数の和:14205765

約数の個数: 24

約数和(自身を含む): 362756959488

約数和(自身を除く): 82236863359

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2821, 19747, 14205707, 99439949, 184674191, 440376917, 696079643, 1292719337, 3082638419, 5724899921, 9049035359, 21578468933, 40074299447, 280520096129]

約数ペア:

[(1, 280520096129), (7, 40074299447), (13, 21578468933), (31, 9049035359), (49, 5724899921), (91, 3082638419), (217, 1292719337), (403, 696079643), (637, 440376917), (1519, 184674191), (2821, 99439949), (19747, 14205707)]