221675792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1109}}^1$

素因数の和:1192

約数の個数: 60

約数和(自身を含む): 478367820

約数和(自身を除く): 256692028

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1109, 1612, 1922, 2218, 3224, 3844, 4436, 6448, 7688, 8872, 12493, 14417, 15376, 17744, 24986, 28834, 34379, 49972, 57668, 68758, 99944, 115336, 137516, 199888, 230672, 275032, 446927, 550064, 893854, 1065749, 1787708, 2131498, 3575416, 4262996, 7150832, 8525992, 13854737, 17051984, 27709474, 55418948, 110837896, 221675792]

約数ペア:

[(1, 221675792), (2, 110837896), (4, 55418948), (8, 27709474), (13, 17051984), (16, 13854737), (26, 8525992), (31, 7150832), (52, 4262996), (62, 3575416), (104, 2131498), (124, 1787708), (208, 1065749), (248, 893854), (403, 550064), (496, 446927), (806, 275032), (961, 230672), (1109, 199888), (1612, 137516), (1922, 115336), (2218, 99944), (3224, 68758), (3844, 57668), (4436, 49972), (6448, 34379), (7688, 28834), (8872, 24986), (12493, 17744), (14417, 15376)]