16161985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 24509952

約数和(自身を除く): 8347967

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1181, 1955, 2737, 5905, 8267, 13685, 20077, 27163, 41335, 100385, 135815, 140539, 190141, 461771, 702695, 950705, 2308855, 3232397, 16161985]

約数ペア:

[(1, 16161985), (5, 3232397), (7, 2308855), (17, 950705), (23, 702695), (35, 461771), (85, 190141), (115, 140539), (119, 135815), (161, 100385), (391, 41335), (595, 27163), (805, 20077), (1181, 13685), (1955, 8267), (2737, 5905)]