20161308916

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1627}}^1\times {\mathrm{3719}}^1$

素因数の和:5381

約数の個数: 72

約数和(自身を含む): 43495341120

約数和(自身を除く): 23334032204

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1627, 1666, 3254, 3332, 3719, 6508, 7438, 11389, 14876, 22778, 26033, 27659, 45556, 52066, 55318, 63223, 79723, 104132, 110636, 126446, 159446, 182231, 193613, 252892, 318892, 364462, 387226, 442561, 728924, 774452, 885122, 1355291, 1770244, 2710582, 3097927, 5421164, 6050813, 6195854, 12101626, 12391708, 24203252, 42355691, 84711382, 102863821, 169422764, 205727642, 296489837, 411455284, 592979674, 720046747, 1185959348, 1440093494, 2880186988, 5040327229, 10080654458, 20161308916]

約数ペア:

[(1, 20161308916), (2, 10080654458), (4, 5040327229), (7, 2880186988), (14, 1440093494), (17, 1185959348), (28, 720046747), (34, 592979674), (49, 411455284), (68, 296489837), (98, 205727642), (119, 169422764), (196, 102863821), (238, 84711382), (476, 42355691), (833, 24203252), (1627, 12391708), (1666, 12101626), (3254, 6195854), (3332, 6050813), (3719, 5421164), (6508, 3097927), (7438, 2710582), (11389, 1770244), (14876, 1355291), (22778, 885122), (26033, 774452), (27659, 728924), (45556, 442561), (52066, 387226), (55318, 364462), (63223, 318892), (79723, 252892), (104132, 193613), (110636, 182231), (126446, 159446)]