128469890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4993}}^1$

素因数の和:5114

約数の個数: 32

約数和(自身を含む): 241629696

約数和(自身を除く): 113159806

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 4993, 5146, 9986, 12865, 24965, 25730, 49930, 154783, 309566, 414419, 773915, 828838, 1547830, 2072095, 4144190, 12846989, 25693978, 64234945, 128469890]

約数ペア:

[(1, 128469890), (2, 64234945), (5, 25693978), (10, 12846989), (31, 4144190), (62, 2072095), (83, 1547830), (155, 828838), (166, 773915), (310, 414419), (415, 309566), (830, 154783), (2573, 49930), (4993, 25730), (5146, 24965), (9986, 12865)]