197898876

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{87257}}^1$

素因数の和:87280

約数の個数: 60

約数和(自身を含む): 591260208

約数和(自身を除く): 393361332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 87257, 174514, 261771, 349028, 523542, 610799, 785313, 1047084, 1221598, 1570626, 1832397, 2355939, 2443196, 3141252, 3664794, 4711878, 5497191, 7067817, 7329588, 9423756, 10994382, 14135634, 16491573, 21988764, 28271268, 32983146, 49474719, 65966292, 98949438, 197898876]

約数ペア:

[(1, 197898876), (2, 98949438), (3, 65966292), (4, 49474719), (6, 32983146), (7, 28271268), (9, 21988764), (12, 16491573), (14, 14135634), (18, 10994382), (21, 9423756), (27, 7329588), (28, 7067817), (36, 5497191), (42, 4711878), (54, 3664794), (63, 3141252), (81, 2443196), (84, 2355939), (108, 1832397), (126, 1570626), (162, 1221598), (189, 1047084), (252, 785313), (324, 610799), (378, 523542), (567, 349028), (756, 261771), (1134, 174514), (2268, 87257)]