217521712

素因数分解:

$2^4\times {\mathrm{1217}}^1\times {\mathrm{11171}}^1$

素因数の和:12396

約数の個数: 20

約数和(自身を含む): 421832376

約数和(自身を除く): 204310664

約数列:

[1, 2, 4, 8, 16, 1217, 2434, 4868, 9736, 11171, 19472, 22342, 44684, 89368, 178736, 13595107, 27190214, 54380428, 108760856, 217521712]

約数ペア:

[(1, 217521712), (2, 108760856), (4, 54380428), (8, 27190214), (16, 13595107), (1217, 178736), (2434, 89368), (4868, 44684), (9736, 22342), (11171, 19472)]