289883678

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{857}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 511752384

約数和(自身を除く): 221868706

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 653, 857, 1306, 1714, 4571, 5999, 9142, 11998, 24161, 31709, 48322, 63418, 169127, 221963, 338254, 443926, 559621, 1119242, 3917347, 7834694, 20705977, 41411954, 144941839, 289883678]

約数ペア:

[(1, 289883678), (2, 144941839), (7, 41411954), (14, 20705977), (37, 7834694), (74, 3917347), (259, 1119242), (518, 559621), (653, 443926), (857, 338254), (1306, 221963), (1714, 169127), (4571, 63418), (5999, 48322), (9142, 31709), (11998, 24161)]