79657890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204251}}^1$

素因数の和:204274

約数の個数: 32

約数和(自身を含む): 205886016

約数和(自身を除く): 126228126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 204251, 408502, 612753, 1021255, 1225506, 2042510, 2655263, 3063765, 5310526, 6127530, 7965789, 13276315, 15931578, 26552630, 39828945, 79657890]

約数ペア:

[(1, 79657890), (2, 39828945), (3, 26552630), (5, 15931578), (6, 13276315), (10, 7965789), (13, 6127530), (15, 5310526), (26, 3063765), (30, 2655263), (39, 2042510), (65, 1225506), (78, 1021255), (130, 612753), (195, 408502), (390, 204251)]