309888943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{47963}}^1$

素因数の和:48054

約数の個数: 16

約数和(自身を含む): 386781696

約数和(自身を除く): 76892753

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 47963, 335741, 623519, 3405373, 4364633, 23837611, 44269849, 309888943]

約数ペア:

[(1, 309888943), (7, 44269849), (13, 23837611), (71, 4364633), (91, 3405373), (497, 623519), (923, 335741), (6461, 47963)]