219284845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 291755520

約数和(自身を除く): 72470675

約数列:

[1, 5, 13, 47, 65, 179, 235, 401, 611, 895, 2005, 2327, 3055, 5213, 8413, 11635, 18847, 26065, 42065, 71779, 94235, 109369, 245011, 358895, 546845, 933127, 1225055, 3373613, 4665635, 16868065, 43856969, 219284845]

約数ペア:

[(1, 219284845), (5, 43856969), (13, 16868065), (47, 4665635), (65, 3373613), (179, 1225055), (235, 933127), (401, 546845), (611, 358895), (895, 245011), (2005, 109369), (2327, 94235), (3055, 71779), (5213, 42065), (8413, 26065), (11635, 18847)]