821497690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89003}}^1$

素因数の和:89094

約数の個数: 32

約数和(自身を含む): 1614888576

約数和(自身を除く): 793390886

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 89003, 178006, 445015, 890030, 1157039, 2314078, 5785195, 6319213, 11570390, 12638426, 31596065, 63192130, 82149769, 164299538, 410748845, 821497690]

約数ペア:

[(1, 821497690), (2, 410748845), (5, 164299538), (10, 82149769), (13, 63192130), (26, 31596065), (65, 12638426), (71, 11570390), (130, 6319213), (142, 5785195), (355, 2314078), (710, 1157039), (923, 890030), (1846, 445015), (4615, 178006), (9230, 89003)]