174388921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 214990848

約数和(自身を除く): 40601927

約数列:

[1, 7, 23, 53, 107, 161, 191, 371, 749, 1219, 1337, 2461, 4393, 5671, 8533, 10123, 17227, 20437, 30751, 39697, 70861, 130433, 143059, 232829, 470051, 913031, 1083161, 1629803, 3290357, 7582127, 24912703, 174388921]

約数ペア:

[(1, 174388921), (7, 24912703), (23, 7582127), (53, 3290357), (107, 1629803), (161, 1083161), (191, 913031), (371, 470051), (749, 232829), (1219, 143059), (1337, 130433), (2461, 70861), (4393, 39697), (5671, 30751), (8533, 20437), (10123, 17227)]