256427244

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{18311}}^1$

素因数の和:18710

約数の個数: 36

約数和(自身を含む): 649892880

約数和(自身を除く): 393465636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1556, 2334, 3501, 4668, 7002, 14004, 18311, 36622, 54933, 73244, 109866, 164799, 219732, 329598, 659196, 7122979, 14245958, 21368937, 28491916, 42737874, 64106811, 85475748, 128213622, 256427244]

約数ペア:

[(1, 256427244), (2, 128213622), (3, 85475748), (4, 64106811), (6, 42737874), (9, 28491916), (12, 21368937), (18, 14245958), (36, 7122979), (389, 659196), (778, 329598), (1167, 219732), (1556, 164799), (2334, 109866), (3501, 73244), (4668, 54933), (7002, 36622), (14004, 18311)]