989850965

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 1247598720

約数和(自身を除く): 257747755

約数列:

[1, 5, 59, 61, 67, 295, 305, 335, 821, 3599, 3953, 4087, 4105, 17995, 19765, 20435, 48439, 50081, 55007, 241133, 242195, 250405, 275035, 1205665, 2954779, 3245413, 3355427, 14773895, 16227065, 16777135, 197970193, 989850965]

約数ペア:

[(1, 989850965), (5, 197970193), (59, 16777135), (61, 16227065), (67, 14773895), (295, 3355427), (305, 3245413), (335, 2954779), (821, 1205665), (3599, 275035), (3953, 250405), (4087, 242195), (4105, 241133), (17995, 55007), (19765, 50081), (20435, 48439)]