213801665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 320765184

約数和(自身を除く): 106963519

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 557, 997, 2785, 3899, 4985, 6127, 6979, 10967, 19495, 30635, 34895, 42889, 54835, 76769, 214445, 383845, 555329, 2776645, 3887303, 6108619, 19436515, 30543095, 42760333, 213801665]

約数ペア:

[(1, 213801665), (5, 42760333), (7, 30543095), (11, 19436515), (35, 6108619), (55, 3887303), (77, 2776645), (385, 555329), (557, 383845), (997, 214445), (2785, 76769), (3899, 54835), (4985, 42889), (6127, 34895), (6979, 30635), (10967, 19495)]