138640385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{49603}}^1$

素因数の和:49664

約数の個数: 16

約数和(自身を含む): 183336384

約数和(自身を除く): 44695999

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 49603, 248015, 644839, 2132929, 3224195, 10664645, 27728077, 138640385]

約数ペア:

[(1, 138640385), (5, 27728077), (13, 10664645), (43, 3224195), (65, 2132929), (215, 644839), (559, 248015), (2795, 49603)]