87779692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 207918368

約数和(自身を除く): 120138676

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 484, 572, 847, 1001, 1573, 1694, 1993, 2002, 3146, 3388, 3986, 4004, 6292, 7972, 11011, 13951, 21923, 22022, 25909, 27902, 43846, 44044, 51818, 55804, 87692, 103636, 153461, 181363, 241153, 284999, 306922, 362726, 482306, 569998, 613844, 725452, 964612, 1139996, 1688071, 1994993, 3134989, 3376142, 3989986, 6269978, 6752284, 7979972, 12539956, 21944923, 43889846, 87779692]

約数ペア:

[(1, 87779692), (2, 43889846), (4, 21944923), (7, 12539956), (11, 7979972), (13, 6752284), (14, 6269978), (22, 3989986), (26, 3376142), (28, 3134989), (44, 1994993), (52, 1688071), (77, 1139996), (91, 964612), (121, 725452), (143, 613844), (154, 569998), (182, 482306), (242, 362726), (286, 306922), (308, 284999), (364, 241153), (484, 181363), (572, 153461), (847, 103636), (1001, 87692), (1573, 55804), (1694, 51818), (1993, 44044), (2002, 43846), (3146, 27902), (3388, 25909), (3986, 22022), (4004, 21923), (6292, 13951), (7972, 11011)]