208021944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{666737}}^1$

素因数の和:666759

約数の個数: 32

約数和(自身を含む): 560059920

約数和(自身を除く): 352037976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 666737, 1333474, 2000211, 2666948, 4000422, 5333896, 8000844, 8667581, 16001688, 17335162, 26002743, 34670324, 52005486, 69340648, 104010972, 208021944]

約数ペア:

[(1, 208021944), (2, 104010972), (3, 69340648), (4, 52005486), (6, 34670324), (8, 26002743), (12, 17335162), (13, 16001688), (24, 8667581), (26, 8000844), (39, 5333896), (52, 4000422), (78, 2666948), (104, 2000211), (156, 1333474), (312, 666737)]