137219794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 221595264

約数和(自身を除く): 84375470

約数列:

[1, 2, 23, 43, 46, 86, 173, 346, 401, 802, 989, 1978, 3979, 7439, 7958, 9223, 14878, 17243, 18446, 34486, 69373, 138746, 171097, 342194, 396589, 793178, 1595579, 2983039, 3191158, 5966078, 68609897, 137219794]

約数ペア:

[(1, 137219794), (2, 68609897), (23, 5966078), (43, 3191158), (46, 2983039), (86, 1595579), (173, 793178), (346, 396589), (401, 342194), (802, 171097), (989, 138746), (1978, 69373), (3979, 34486), (7439, 18446), (7958, 17243), (9223, 14878)]