12997558

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 23696640

約数和(自身を除く): 10699082

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 373, 746, 917, 1834, 2489, 2611, 4978, 5222, 7087, 14174, 17423, 34846, 48863, 49609, 97726, 99218, 342041, 684082, 928397, 1856794, 6498779, 12997558]

約数ペア:

[(1, 12997558), (2, 6498779), (7, 1856794), (14, 928397), (19, 684082), (38, 342041), (131, 99218), (133, 97726), (262, 49609), (266, 48863), (373, 34846), (746, 17423), (917, 14174), (1834, 7087), (2489, 5222), (2611, 4978)]