64846990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38371}}^1$

素因数の和:38404

約数の個数: 24

約数和(自身を含む): 126397368

約数和(自身を除く): 61550378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 38371, 76742, 191855, 383710, 498823, 997646, 2494115, 4988230, 6484699, 12969398, 32423495, 64846990]

約数ペア:

[(1, 64846990), (2, 32423495), (5, 12969398), (10, 6484699), (13, 4988230), (26, 2494115), (65, 997646), (130, 498823), (169, 383710), (338, 191855), (845, 76742), (1690, 38371)]