77781708

素因数分解:

$2^2\times 3^4\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1004

約数の個数: 60

約数和(自身を含む): 204174432

約数和(自身を除く): 126392724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 431, 557, 862, 1114, 1293, 1671, 1724, 2228, 2586, 3342, 3879, 5013, 5172, 6684, 7758, 10026, 11637, 15039, 15516, 20052, 23274, 30078, 34911, 45117, 46548, 60156, 69822, 90234, 139644, 180468, 240067, 480134, 720201, 960268, 1440402, 2160603, 2880804, 4321206, 6481809, 8642412, 12963618, 19445427, 25927236, 38890854, 77781708]

約数ペア:

[(1, 77781708), (2, 38890854), (3, 25927236), (4, 19445427), (6, 12963618), (9, 8642412), (12, 6481809), (18, 4321206), (27, 2880804), (36, 2160603), (54, 1440402), (81, 960268), (108, 720201), (162, 480134), (324, 240067), (431, 180468), (557, 139644), (862, 90234), (1114, 69822), (1293, 60156), (1671, 46548), (1724, 45117), (2228, 34911), (2586, 30078), (3342, 23274), (3879, 20052), (5013, 15516), (5172, 15039), (6684, 11637), (7758, 10026)]