218040290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23623}}^1$

素因数の和:23714

約数の個数: 32

約数和(自身を含む): 428633856

約数和(自身を除く): 210593566

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 23623, 47246, 118115, 236230, 307099, 614198, 1535495, 1677233, 3070990, 3354466, 8386165, 16772330, 21804029, 43608058, 109020145, 218040290]

約数ペア:

[(1, 218040290), (2, 109020145), (5, 43608058), (10, 21804029), (13, 16772330), (26, 8386165), (65, 3354466), (71, 3070990), (130, 1677233), (142, 1535495), (355, 614198), (710, 307099), (923, 236230), (1846, 118115), (4615, 47246), (9230, 23623)]