1991484

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 5660928

約数和(自身を除く): 3669444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 107, 132, 141, 188, 198, 214, 282, 321, 396, 423, 428, 517, 564, 642, 846, 963, 1034, 1177, 1284, 1551, 1692, 1926, 2068, 2354, 3102, 3531, 3852, 4653, 4708, 5029, 6204, 7062, 9306, 10058, 10593, 14124, 15087, 18612, 20116, 21186, 30174, 42372, 45261, 55319, 60348, 90522, 110638, 165957, 181044, 221276, 331914, 497871, 663828, 995742, 1991484]

約数ペア:

[(1, 1991484), (2, 995742), (3, 663828), (4, 497871), (6, 331914), (9, 221276), (11, 181044), (12, 165957), (18, 110638), (22, 90522), (33, 60348), (36, 55319), (44, 45261), (47, 42372), (66, 30174), (94, 21186), (99, 20116), (107, 18612), (132, 15087), (141, 14124), (188, 10593), (198, 10058), (214, 9306), (282, 7062), (321, 6204), (396, 5029), (423, 4708), (428, 4653), (517, 3852), (564, 3531), (642, 3102), (846, 2354), (963, 2068), (1034, 1926), (1177, 1692), (1284, 1551)]