128873236

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 239234688

約数和(自身を除く): 110361452

約数列:

[1, 2, 4, 43, 61, 71, 86, 122, 142, 172, 173, 244, 284, 346, 692, 2623, 3053, 4331, 5246, 6106, 7439, 8662, 10492, 10553, 12212, 12283, 14878, 17324, 21106, 24566, 29756, 42212, 49132, 186233, 372466, 453779, 528169, 744932, 749263, 907558, 1056338, 1498526, 1815116, 2112676, 2997052, 32218309, 64436618, 128873236]

約数ペア:

[(1, 128873236), (2, 64436618), (4, 32218309), (43, 2997052), (61, 2112676), (71, 1815116), (86, 1498526), (122, 1056338), (142, 907558), (172, 749263), (173, 744932), (244, 528169), (284, 453779), (346, 372466), (692, 186233), (2623, 49132), (3053, 42212), (4331, 29756), (5246, 24566), (6106, 21106), (7439, 17324), (8662, 14878), (10492, 12283), (10553, 12212)]