217285280336

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{222628361}}^1$

素因数の和:222628430

約数の個数: 20

約数和(自身を含む): 427891711764

約数和(自身を除く): 210606431428

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 222628361, 445256722, 890513444, 1781026888, 3562053776, 13580330021, 27160660042, 54321320084, 108642640168, 217285280336]

約数ペア:

[(1, 217285280336), (2, 108642640168), (4, 54321320084), (8, 27160660042), (16, 13580330021), (61, 3562053776), (122, 1781026888), (244, 890513444), (488, 445256722), (976, 222628361)]