521447990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{6121}}^1$

素因数の和:7352

約数の個数: 32

約数和(自身を含む): 1073749824

約数和(自身を除く): 552301834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1217, 2434, 6085, 6121, 8519, 12170, 12242, 17038, 30605, 42595, 42847, 61210, 85190, 85694, 214235, 428470, 7449257, 14898514, 37246285, 52144799, 74492570, 104289598, 260723995, 521447990]

約数ペア:

[(1, 521447990), (2, 260723995), (5, 104289598), (7, 74492570), (10, 52144799), (14, 37246285), (35, 14898514), (70, 7449257), (1217, 428470), (2434, 214235), (6085, 85694), (6121, 85190), (8519, 61210), (12170, 42847), (12242, 42595), (17038, 30605)]