871852085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 1198426320

約数和(自身を除く): 326574235

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 377, 389, 533, 841, 1189, 1885, 1945, 2665, 4205, 5057, 5945, 10933, 11281, 15457, 15949, 25285, 34481, 54665, 56405, 77285, 79745, 146653, 172405, 207337, 327149, 448253, 462521, 733265, 1036685, 1635745, 2241265, 2312605, 4252937, 6012773, 13413109, 21264685, 30063865, 67065545, 174370417, 871852085]

約数ペア:

[(1, 871852085), (5, 174370417), (13, 67065545), (29, 30063865), (41, 21264685), (65, 13413109), (145, 6012773), (205, 4252937), (377, 2312605), (389, 2241265), (533, 1635745), (841, 1036685), (1189, 733265), (1885, 462521), (1945, 448253), (2665, 327149), (4205, 207337), (5057, 172405), (5945, 146653), (10933, 79745), (11281, 77285), (15457, 56405), (15949, 54665), (25285, 34481)]