25973948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 61488000

約数和(自身を除く): 35514052

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 286, 308, 338, 364, 499, 572, 676, 998, 1001, 1183, 1859, 1996, 2002, 2366, 3493, 3718, 4004, 4732, 5489, 6487, 6986, 7436, 10978, 12974, 13013, 13972, 21956, 25948, 26026, 38423, 45409, 52052, 71357, 76846, 84331, 90818, 142714, 153692, 168662, 181636, 285428, 337324, 499499, 590317, 927641, 998998, 1180634, 1855282, 1997996, 2361268, 3710564, 6493487, 12986974, 25973948]

約数ペア:

[(1, 25973948), (2, 12986974), (4, 6493487), (7, 3710564), (11, 2361268), (13, 1997996), (14, 1855282), (22, 1180634), (26, 998998), (28, 927641), (44, 590317), (52, 499499), (77, 337324), (91, 285428), (143, 181636), (154, 168662), (169, 153692), (182, 142714), (286, 90818), (308, 84331), (338, 76846), (364, 71357), (499, 52052), (572, 45409), (676, 38423), (998, 26026), (1001, 25948), (1183, 21956), (1859, 13972), (1996, 13013), (2002, 12974), (2366, 10978), (3493, 7436), (3718, 6986), (4004, 6487), (4732, 5489)]