391094366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21397}}^1$

素因数の和:21468

約数の個数: 32

約数和(自身を含む): 683024160

約数和(自身を除く): 291929794

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1406, 9139, 18278, 21397, 42794, 278161, 406543, 556322, 791689, 813086, 1583378, 5285059, 10291957, 10570118, 15042091, 20583914, 30084182, 195547183, 391094366]

約数ペア:

[(1, 391094366), (2, 195547183), (13, 30084182), (19, 20583914), (26, 15042091), (37, 10570118), (38, 10291957), (74, 5285059), (247, 1583378), (481, 813086), (494, 791689), (703, 556322), (962, 406543), (1406, 278161), (9139, 42794), (18278, 21397)]