218948345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1021}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 328478976

約数和(自身を除く): 109530631

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 557, 1021, 2785, 3899, 5105, 6127, 7147, 11231, 19495, 30635, 35735, 42889, 56155, 78617, 214445, 393085, 568697, 2843485, 3980879, 6255667, 19904395, 31278335, 43789669, 218948345]

約数ペア:

[(1, 218948345), (5, 43789669), (7, 31278335), (11, 19904395), (35, 6255667), (55, 3980879), (77, 2843485), (385, 568697), (557, 393085), (1021, 214445), (2785, 78617), (3899, 56155), (5105, 42889), (6127, 35735), (7147, 30635), (11231, 19495)]