491194188

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{192173}}^1$

素因数の和:192254

約数の個数: 36

約数和(自身を含む): 1259124048

約数和(自身を除く): 767929860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 192173, 384346, 576519, 768692, 1153038, 1729557, 2306076, 3459114, 6918228, 13644283, 27288566, 40932849, 54577132, 81865698, 122798547, 163731396, 245597094, 491194188]

約数ペア:

[(1, 491194188), (2, 245597094), (3, 163731396), (4, 122798547), (6, 81865698), (9, 54577132), (12, 40932849), (18, 27288566), (36, 13644283), (71, 6918228), (142, 3459114), (213, 2306076), (284, 1729557), (426, 1153038), (639, 768692), (852, 576519), (1278, 384346), (2556, 192173)]