291222113

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 380308992

約数和(自身を除く): 89086879

約数列:

[1, 7, 13, 23, 61, 91, 161, 299, 427, 793, 1403, 2093, 2281, 5551, 9821, 15967, 18239, 29653, 52463, 127673, 139141, 207571, 367241, 682019, 973987, 1808833, 3200243, 4774133, 12661831, 22401701, 41603159, 291222113]

約数ペア:

[(1, 291222113), (7, 41603159), (13, 22401701), (23, 12661831), (61, 4774133), (91, 3200243), (161, 1808833), (299, 973987), (427, 682019), (793, 367241), (1403, 207571), (2093, 139141), (2281, 127673), (5551, 52463), (9821, 29653), (15967, 18239)]