217761236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{22807}}^1$

素因数の和:22860

約数の個数: 48

約数和(自身を含む): 490463232

約数和(自身を除く): 272701996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 22807, 45614, 91228, 159649, 250877, 319298, 501754, 638596, 707017, 1003508, 1414034, 1756139, 2828068, 3512278, 4949119, 7024556, 7777187, 9898238, 15554374, 19796476, 31108748, 54440309, 108880618, 217761236]

約数ペア:

[(1, 217761236), (2, 108880618), (4, 54440309), (7, 31108748), (11, 19796476), (14, 15554374), (22, 9898238), (28, 7777187), (31, 7024556), (44, 4949119), (62, 3512278), (77, 2828068), (124, 1756139), (154, 1414034), (217, 1003508), (308, 707017), (341, 638596), (434, 501754), (682, 319298), (868, 250877), (1364, 159649), (2387, 91228), (4774, 45614), (9548, 22807)]