12783122009

素因数分解:

$7^2\times {\mathrm{79}}^2\times {\mathrm{41801}}^1$

素因数の和:41973

約数の個数: 18

約数和(自身を含む): 15061135194

約数和(自身を除く): 2278013185

約数列:

[1, 7, 49, 79, 553, 3871, 6241, 41801, 43687, 292607, 305809, 2048249, 3302279, 23115953, 161811671, 260880041, 1826160287, 12783122009]

約数ペア:

[(1, 12783122009), (7, 1826160287), (49, 260880041), (79, 161811671), (553, 23115953), (3871, 3302279), (6241, 2048249), (41801, 305809), (43687, 292607)]