181565826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{1307}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 396386784

約数和(自身を除く): 214820958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 169, 274, 338, 411, 507, 822, 1014, 1307, 1781, 2614, 3562, 3921, 5343, 7842, 10686, 16991, 23153, 33982, 46306, 50973, 69459, 101946, 138918, 179059, 220883, 358118, 441766, 537177, 662649, 1074354, 1325298, 2327767, 4655534, 6983301, 13966602, 30260971, 60521942, 90782913, 181565826]

約数ペア:

[(1, 181565826), (2, 90782913), (3, 60521942), (6, 30260971), (13, 13966602), (26, 6983301), (39, 4655534), (78, 2327767), (137, 1325298), (169, 1074354), (274, 662649), (338, 537177), (411, 441766), (507, 358118), (822, 220883), (1014, 179059), (1307, 138918), (1781, 101946), (2614, 69459), (3562, 50973), (3921, 46306), (5343, 33982), (7842, 23153), (10686, 16991)]