89661665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 28948255

約数列:

[1, 5, 19, 43, 47, 95, 215, 235, 467, 817, 893, 2021, 2335, 4085, 4465, 8873, 10105, 20081, 21949, 38399, 44365, 100405, 109745, 191995, 381539, 417031, 943807, 1907695, 2085155, 4719035, 17932333, 89661665]

約数ペア:

[(1, 89661665), (5, 17932333), (19, 4719035), (43, 2085155), (47, 1907695), (95, 943807), (215, 417031), (235, 381539), (467, 191995), (817, 109745), (893, 100405), (2021, 44365), (2335, 38399), (4085, 21949), (4465, 20081), (8873, 10105)]