71056388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 135504180

約数和(自身を除く): 64447792

約数列:

[1, 2, 4, 13, 26, 52, 169, 257, 338, 409, 514, 676, 818, 1028, 1636, 3341, 5317, 6682, 10634, 13364, 21268, 43433, 69121, 86866, 105113, 138242, 173732, 210226, 276484, 420452, 1366469, 2732938, 5465876, 17764097, 35528194, 71056388]

約数ペア:

[(1, 71056388), (2, 35528194), (4, 17764097), (13, 5465876), (26, 2732938), (52, 1366469), (169, 420452), (257, 276484), (338, 210226), (409, 173732), (514, 138242), (676, 105113), (818, 86866), (1028, 69121), (1636, 43433), (3341, 21268), (5317, 13364), (6682, 10634)]