217893650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{335221}}^1$

素因数の和:335246

約数の個数: 24

約数和(自身を含む): 436459044

約数和(自身を除く): 218565394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 335221, 670442, 1676105, 3352210, 4357873, 8380525, 8715746, 16761050, 21789365, 43578730, 108946825, 217893650]

約数ペア:

[(1, 217893650), (2, 108946825), (5, 43578730), (10, 21789365), (13, 16761050), (25, 8715746), (26, 8380525), (50, 4357873), (65, 3352210), (130, 1676105), (325, 670442), (650, 335221)]