42639090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109331}}^1$

素因数の和:109354

約数の個数: 32

約数和(自身を含む): 110206656

約数和(自身を除く): 67567566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 109331, 218662, 327993, 546655, 655986, 1093310, 1421303, 1639965, 2842606, 3279930, 4263909, 7106515, 8527818, 14213030, 21319545, 42639090]

約数ペア:

[(1, 42639090), (2, 21319545), (3, 14213030), (5, 8527818), (6, 7106515), (10, 4263909), (13, 3279930), (15, 2842606), (26, 1639965), (30, 1421303), (39, 1093310), (65, 655986), (78, 546655), (130, 327993), (195, 218662), (390, 109331)]