289300018

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 523567800

約数和(自身を除く): 234267782

約数列:

[1, 2, 7, 14, 41, 49, 82, 89, 98, 178, 287, 574, 623, 809, 1246, 1618, 2009, 3649, 4018, 4361, 5663, 7298, 8722, 11326, 25543, 33169, 39641, 51086, 66338, 72001, 79282, 144002, 178801, 232183, 357602, 464366, 504007, 1008014, 1625281, 2952041, 3250562, 3528049, 5904082, 7056098, 20664287, 41328574, 144650009, 289300018]

約数ペア:

[(1, 289300018), (2, 144650009), (7, 41328574), (14, 20664287), (41, 7056098), (49, 5904082), (82, 3528049), (89, 3250562), (98, 2952041), (178, 1625281), (287, 1008014), (574, 504007), (623, 464366), (809, 357602), (1246, 232183), (1618, 178801), (2009, 144002), (3649, 79282), (4018, 72001), (4361, 66338), (5663, 51086), (7298, 39641), (8722, 33169), (11326, 25543)]