38618515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 52468416

約数和(自身を除く): 13849901

約数列:

[1, 5, 13, 41, 43, 65, 205, 215, 337, 533, 559, 1685, 1763, 2665, 2795, 4381, 8815, 13817, 14491, 21905, 22919, 69085, 72455, 114595, 179621, 188383, 594131, 898105, 941915, 2970655, 7723703, 38618515]

約数ペア:

[(1, 38618515), (5, 7723703), (13, 2970655), (41, 941915), (43, 898105), (65, 594131), (205, 188383), (215, 179621), (337, 114595), (533, 72455), (559, 69085), (1685, 22919), (1763, 21905), (2665, 14491), (2795, 13817), (4381, 8815)]