191977890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{492251}}^1$

素因数の和:492274

約数の個数: 32

約数和(自身を含む): 496190016

約数和(自身を除く): 304212126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 492251, 984502, 1476753, 2461255, 2953506, 4922510, 6399263, 7383765, 12798526, 14767530, 19197789, 31996315, 38395578, 63992630, 95988945, 191977890]

約数ペア:

[(1, 191977890), (2, 95988945), (3, 63992630), (5, 38395578), (6, 31996315), (10, 19197789), (13, 14767530), (15, 12798526), (26, 7383765), (30, 6399263), (39, 4922510), (65, 2953506), (78, 2461255), (130, 1476753), (195, 984502), (390, 492251)]