89811095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 120890880

約数和(自身を除く): 31079785

約数列:

[1, 5, 11, 55, 71, 109, 211, 355, 545, 781, 1055, 1199, 2321, 3905, 5995, 7739, 11605, 14981, 22999, 38695, 74905, 85129, 114995, 164791, 252989, 425645, 823955, 1264945, 1632929, 8164645, 17962219, 89811095]

約数ペア:

[(1, 89811095), (5, 17962219), (11, 8164645), (55, 1632929), (71, 1264945), (109, 823955), (211, 425645), (355, 252989), (545, 164791), (781, 114995), (1055, 85129), (1199, 74905), (2321, 38695), (3905, 22999), (5995, 14981), (7739, 11605)]