388762491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1249}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 584640000

約数和(自身を除く): 195877509

約数列:

[1, 3, 13, 23, 39, 69, 299, 347, 897, 1041, 1249, 3747, 4511, 7981, 13533, 16237, 23943, 28727, 48711, 86181, 103753, 311259, 373451, 433403, 1120353, 1300209, 5634239, 9968269, 16902717, 29904807, 129587497, 388762491]

約数ペア:

[(1, 388762491), (3, 129587497), (13, 29904807), (23, 16902717), (39, 9968269), (69, 5634239), (299, 1300209), (347, 1120353), (897, 433403), (1041, 373451), (1249, 311259), (3747, 103753), (4511, 86181), (7981, 48711), (13533, 28727), (16237, 23943)]