248488905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 469421568

約数和(自身を除く): 220932663

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 197, 205, 287, 293, 591, 615, 861, 879, 985, 1379, 1435, 1465, 2051, 2955, 4137, 4305, 4395, 6153, 6895, 8077, 10255, 12013, 20685, 24231, 30765, 36039, 40385, 56539, 57721, 60065, 84091, 121155, 169617, 173163, 180195, 252273, 282695, 288605, 404047, 420455, 848085, 865815, 1212141, 1261365, 2020235, 2366561, 6060705, 7099683, 11832805, 16565927, 35498415, 49697781, 82829635, 248488905]

約数ペア:

[(1, 248488905), (3, 82829635), (5, 49697781), (7, 35498415), (15, 16565927), (21, 11832805), (35, 7099683), (41, 6060705), (105, 2366561), (123, 2020235), (197, 1261365), (205, 1212141), (287, 865815), (293, 848085), (591, 420455), (615, 404047), (861, 288605), (879, 282695), (985, 252273), (1379, 180195), (1435, 173163), (1465, 169617), (2051, 121155), (2955, 84091), (4137, 60065), (4305, 57721), (4395, 56539), (6153, 40385), (6895, 36039), (8077, 30765), (10255, 24231), (12013, 20685)]