1218684350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{144223}}^1$

素因数の和:144261

約数の個数: 36

約数和(自身を含む): 2454548256

約数和(自身を除く): 1235863906

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 144223, 288446, 721115, 1442230, 1874899, 3605575, 3749798, 7211150, 9374495, 18748990, 24373687, 46872475, 48747374, 93744950, 121868435, 243736870, 609342175, 1218684350]

約数ペア:

[(1, 1218684350), (2, 609342175), (5, 243736870), (10, 121868435), (13, 93744950), (25, 48747374), (26, 46872475), (50, 24373687), (65, 18748990), (130, 9374495), (169, 7211150), (325, 3749798), (338, 3605575), (650, 1874899), (845, 1442230), (1690, 721115), (4225, 288446), (8450, 144223)]