156438772

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{25747}}^1$

素因数の和:25796

約数の個数: 36

約数和(自身を含む): 328750464

約数和(自身を除く): 172311692

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 25747, 51494, 102988, 180229, 360458, 720916, 798157, 1261603, 1596314, 2523206, 3192628, 5046412, 5587099, 11174198, 22348396, 39109693, 78219386, 156438772]

約数ペア:

[(1, 156438772), (2, 78219386), (4, 39109693), (7, 22348396), (14, 11174198), (28, 5587099), (31, 5046412), (49, 3192628), (62, 2523206), (98, 1596314), (124, 1261603), (196, 798157), (217, 720916), (434, 360458), (868, 180229), (1519, 102988), (3038, 51494), (6076, 25747)]