12911717

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 17203200

約数和(自身を除く): 4291483

約数列:

[1, 7, 13, 23, 31, 91, 161, 199, 217, 299, 403, 713, 1393, 2093, 2587, 2821, 4577, 4991, 6169, 9269, 18109, 32039, 43183, 59501, 64883, 80197, 141887, 416507, 561379, 993209, 1844531, 12911717]

約数ペア:

[(1, 12911717), (7, 1844531), (13, 993209), (23, 561379), (31, 416507), (91, 141887), (161, 80197), (199, 64883), (217, 59501), (299, 43183), (403, 32039), (713, 18109), (1393, 9269), (2093, 6169), (2587, 4991), (2821, 4577)]