261612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 54

約数和(自身を含む): 732732

約数和(自身を除く): 471120

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 169, 172, 234, 258, 338, 387, 468, 507, 516, 559, 676, 774, 1014, 1118, 1521, 1548, 1677, 2028, 2236, 3042, 3354, 5031, 6084, 6708, 7267, 10062, 14534, 20124, 21801, 29068, 43602, 65403, 87204, 130806, 261612]

約数ペア:

[(1, 261612), (2, 130806), (3, 87204), (4, 65403), (6, 43602), (9, 29068), (12, 21801), (13, 20124), (18, 14534), (26, 10062), (36, 7267), (39, 6708), (43, 6084), (52, 5031), (78, 3354), (86, 3042), (117, 2236), (129, 2028), (156, 1677), (169, 1548), (172, 1521), (234, 1118), (258, 1014), (338, 774), (387, 676), (468, 559), (507, 516)]