128439468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{9883}}^1$

素因数の和:9931

約数の個数: 54

約数和(自身を含む): 342688164

約数和(自身を除く): 214248696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 9883, 12996, 19766, 29649, 39532, 59298, 88947, 118596, 177894, 187777, 355788, 375554, 563331, 751108, 1126662, 1689993, 2253324, 3379986, 3567763, 6759972, 7135526, 10703289, 14271052, 21406578, 32109867, 42813156, 64219734, 128439468]

約数ペア:

[(1, 128439468), (2, 64219734), (3, 42813156), (4, 32109867), (6, 21406578), (9, 14271052), (12, 10703289), (18, 7135526), (19, 6759972), (36, 3567763), (38, 3379986), (57, 2253324), (76, 1689993), (114, 1126662), (171, 751108), (228, 563331), (342, 375554), (361, 355788), (684, 187777), (722, 177894), (1083, 118596), (1444, 88947), (2166, 59298), (3249, 39532), (4332, 29649), (6498, 19766), (9883, 12996)]