17554802525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^2$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 25060583520

約数和(自身を除く): 7505780995

約数列:

[1, 5, 13, 19, 25, 65, 95, 107, 163, 247, 325, 475, 535, 815, 1235, 1391, 2033, 2119, 2675, 3097, 4075, 6175, 6955, 10165, 10595, 15485, 17441, 26429, 26569, 34775, 40261, 50825, 52975, 77425, 87205, 132145, 132845, 201305, 226733, 331379, 345397, 436025, 504811, 660725, 664225, 1006525, 1133665, 1656895, 1726985, 2524055, 2842883, 4307927, 5668325, 6562543, 8284475, 8634925, 12620275, 14214415, 21539635, 32812715, 36957479, 54014777, 71072075, 107698175, 164063575, 184787395, 270073885, 702192101, 923936975, 1350369425, 3510960505, 17554802525]

約数ペア:

[(1, 17554802525), (5, 3510960505), (13, 1350369425), (19, 923936975), (25, 702192101), (65, 270073885), (95, 184787395), (107, 164063575), (163, 107698175), (247, 71072075), (325, 54014777), (475, 36957479), (535, 32812715), (815, 21539635), (1235, 14214415), (1391, 12620275), (2033, 8634925), (2119, 8284475), (2675, 6562543), (3097, 5668325), (4075, 4307927), (6175, 2842883), (6955, 2524055), (10165, 1726985), (10595, 1656895), (15485, 1133665), (17441, 1006525), (26429, 664225), (26569, 660725), (34775, 504811), (40261, 436025), (50825, 345397), (52975, 331379), (77425, 226733), (87205, 201305), (132145, 132845)]