81819970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8273}}^1$

素因数の和:8346

約数の個数: 32

約数和(自身を含む): 157272192

約数和(自身を除く): 75452222

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 8273, 9890, 16546, 41365, 82730, 190279, 355739, 380558, 711478, 951395, 1778695, 1902790, 3557390, 8181997, 16363994, 40909985, 81819970]

約数ペア:

[(1, 81819970), (2, 40909985), (5, 16363994), (10, 8181997), (23, 3557390), (43, 1902790), (46, 1778695), (86, 951395), (115, 711478), (215, 380558), (230, 355739), (430, 190279), (989, 82730), (1978, 41365), (4945, 16546), (8273, 9890)]