219784222

素因数分解:

$2^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{40357}}^1$

素因数の和:40755

約数の個数: 16

約数和(自身を含む): 377750880

約数和(自身を除く): 157966658

約数列:

[1, 2, 7, 14, 389, 778, 2723, 5446, 40357, 80714, 282499, 564998, 15698873, 31397746, 109892111, 219784222]

約数ペア:

[(1, 219784222), (2, 109892111), (7, 31397746), (14, 15698873), (389, 564998), (778, 282499), (2723, 80714), (5446, 40357)]