64367890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90659}}^1$

素因数の和:90737

約数の個数: 16

約数和(自身を含む): 117495360

約数和(自身を除く): 53127470

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90659, 181318, 453295, 906590, 6436789, 12873578, 32183945, 64367890]

約数ペア:

[(1, 64367890), (2, 32183945), (5, 12873578), (10, 6436789), (71, 906590), (142, 453295), (355, 181318), (710, 90659)]