218998970

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 398778768

約数和(自身を除く): 179779798

約数列:

[1, 2, 5, 10, 173, 277, 346, 457, 554, 865, 914, 1385, 1730, 2285, 2770, 4570, 47921, 79061, 95842, 126589, 158122, 239605, 253178, 395305, 479210, 632945, 790610, 1265890, 21899897, 43799794, 109499485, 218998970]

約数ペア:

[(1, 218998970), (2, 109499485), (5, 43799794), (10, 21899897), (173, 1265890), (277, 790610), (346, 632945), (457, 479210), (554, 395305), (865, 253178), (914, 239605), (1385, 158122), (1730, 126589), (2285, 95842), (2770, 79061), (4570, 47921)]