890336876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 1871265312

約数和(自身を除く): 980928436

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 121, 142, 143, 242, 284, 286, 484, 572, 781, 923, 1562, 1573, 1846, 1993, 3124, 3146, 3692, 3986, 6292, 7972, 8591, 10153, 17182, 20306, 21923, 25909, 34364, 40612, 43846, 51818, 87692, 103636, 111683, 141503, 223366, 241153, 283006, 284999, 446732, 482306, 566012, 569998, 964612, 1139996, 1556533, 1839539, 3113066, 3134989, 3679078, 6226132, 6269978, 7358156, 12539956, 17121863, 20234929, 34243726, 40469858, 68487452, 80939716, 222584219, 445168438, 890336876]

約数ペア:

[(1, 890336876), (2, 445168438), (4, 222584219), (11, 80939716), (13, 68487452), (22, 40469858), (26, 34243726), (44, 20234929), (52, 17121863), (71, 12539956), (121, 7358156), (142, 6269978), (143, 6226132), (242, 3679078), (284, 3134989), (286, 3113066), (484, 1839539), (572, 1556533), (781, 1139996), (923, 964612), (1562, 569998), (1573, 566012), (1846, 482306), (1993, 446732), (3124, 284999), (3146, 283006), (3692, 241153), (3986, 223366), (6292, 141503), (7972, 111683), (8591, 103636), (10153, 87692), (17182, 51818), (20306, 43846), (21923, 40612), (25909, 34364)]