123987331325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{220903}}^1$

素因数の和:221094

約数の個数: 48

約数和(自身を含む): 181773949056

約数和(自身を除く): 57786617731

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 157, 275, 325, 715, 785, 1727, 2041, 3575, 3925, 8635, 10205, 22451, 43175, 51025, 112255, 220903, 561275, 1104515, 2429933, 2871739, 5522575, 12149665, 14358695, 31589129, 34681771, 60748325, 71793475, 157945645, 173408855, 381499481, 450863023, 789728225, 867044275, 1907497405, 2254315115, 4959493253, 9537487025, 11271575575, 24797466265, 123987331325]

約数ペア:

[(1, 123987331325), (5, 24797466265), (11, 11271575575), (13, 9537487025), (25, 4959493253), (55, 2254315115), (65, 1907497405), (143, 867044275), (157, 789728225), (275, 450863023), (325, 381499481), (715, 173408855), (785, 157945645), (1727, 71793475), (2041, 60748325), (3575, 34681771), (3925, 31589129), (8635, 14358695), (10205, 12149665), (22451, 5522575), (43175, 2871739), (51025, 2429933), (112255, 1104515), (220903, 561275)]