89945569

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 105083136

約数和(自身を除く): 15137567

約数列:

[1, 7, 71, 137, 497, 959, 1321, 9247, 9727, 68089, 93791, 180977, 656537, 1266839, 12849367, 89945569]

約数ペア:

[(1, 89945569), (7, 12849367), (71, 1266839), (137, 656537), (497, 180977), (959, 93791), (1321, 68089), (9247, 9727)]