216916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 444416

約数和(自身を除く): 227500

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 244, 254, 427, 508, 854, 889, 1708, 1778, 3556, 7747, 15494, 30988, 54229, 108458, 216916]

約数ペア:

[(1, 216916), (2, 108458), (4, 54229), (7, 30988), (14, 15494), (28, 7747), (61, 3556), (122, 1778), (127, 1708), (244, 889), (254, 854), (427, 508)]