209997234

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3911}}^1$

素因数の和:4095

約数の個数: 48

約数和(自身を含む): 482114880

約数和(自身を除く): 272117646

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 314, 342, 471, 942, 1413, 2826, 2983, 3911, 5966, 7822, 8949, 11733, 17898, 23466, 26847, 35199, 53694, 70398, 74309, 148618, 222927, 445854, 614027, 668781, 1228054, 1337562, 1842081, 3684162, 5526243, 11052486, 11666513, 23333026, 34999539, 69999078, 104998617, 209997234]

約数ペア:

[(1, 209997234), (2, 104998617), (3, 69999078), (6, 34999539), (9, 23333026), (18, 11666513), (19, 11052486), (38, 5526243), (57, 3684162), (114, 1842081), (157, 1337562), (171, 1228054), (314, 668781), (342, 614027), (471, 445854), (942, 222927), (1413, 148618), (2826, 74309), (2983, 70398), (3911, 53694), (5966, 35199), (7822, 26847), (8949, 23466), (11733, 17898)]