398665638

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18503}}^1$

素因数の和:18543

約数の個数: 80

約数和(自身を含む): 1074712320

約数和(自身を除く): 676046682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 7182, 10773, 18503, 21546, 37006, 55509, 111018, 129521, 166527, 259042, 333054, 351557, 388563, 499581, 703114, 777126, 999162, 1054671, 1165689, 1498743, 2109342, 2331378, 2460899, 2997486, 3164013, 3497067, 4921798, 6328026, 6994134, 7382697, 9492039, 10491201, 14765394, 18984078, 20982402, 22148091, 28476117, 44296182, 56952234, 66444273, 132888546, 199332819, 398665638]

約数ペア:

[(1, 398665638), (2, 199332819), (3, 132888546), (6, 66444273), (7, 56952234), (9, 44296182), (14, 28476117), (18, 22148091), (19, 20982402), (21, 18984078), (27, 14765394), (38, 10491201), (42, 9492039), (54, 7382697), (57, 6994134), (63, 6328026), (81, 4921798), (114, 3497067), (126, 3164013), (133, 2997486), (162, 2460899), (171, 2331378), (189, 2109342), (266, 1498743), (342, 1165689), (378, 1054671), (399, 999162), (513, 777126), (567, 703114), (798, 499581), (1026, 388563), (1134, 351557), (1197, 333054), (1539, 259042), (2394, 166527), (3078, 129521), (3591, 111018), (7182, 55509), (10773, 37006), (18503, 21546)]