128280492

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{19687}}^1$

素因数の和:19878

約数の個数: 36

約数和(自身を含む): 326072656

約数和(自身を除く): 197792164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 19687, 39374, 59061, 78748, 118122, 177183, 236244, 354366, 708732, 3563347, 7126694, 10690041, 14253388, 21380082, 32070123, 42760164, 64140246, 128280492]

約数ペア:

[(1, 128280492), (2, 64140246), (3, 42760164), (4, 32070123), (6, 21380082), (9, 14253388), (12, 10690041), (18, 7126694), (36, 3563347), (181, 708732), (362, 354366), (543, 236244), (724, 177183), (1086, 118122), (1629, 78748), (2172, 59061), (3258, 39374), (6516, 19687)]