291013128

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1196

約数の個数: 128

約数和(自身を含む): 929491200

約数和(自身を除く): 638478072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 197, 216, 252, 378, 394, 504, 591, 756, 788, 977, 1182, 1379, 1512, 1576, 1773, 1954, 2364, 2758, 2931, 3546, 3908, 4137, 4728, 5319, 5516, 5862, 6839, 7092, 7816, 8274, 8793, 10638, 11032, 11724, 12411, 13678, 14184, 16548, 17586, 20517, 21276, 23448, 24822, 26379, 27356, 33096, 35172, 37233, 41034, 42552, 49644, 52758, 54712, 61551, 70344, 74466, 82068, 99288, 105516, 123102, 148932, 164136, 184653, 192469, 211032, 246204, 297864, 369306, 384938, 492408, 577407, 738612, 769876, 1154814, 1347283, 1477224, 1539752, 1732221, 2309628, 2694566, 3464442, 4041849, 4619256, 5196663, 5389132, 6928884, 8083698, 10393326, 10778264, 12125547, 13857768, 16167396, 20786652, 24251094, 32334792, 36376641, 41573304, 48502188, 72753282, 97004376, 145506564, 291013128]

約数ペア:

[(1, 291013128), (2, 145506564), (3, 97004376), (4, 72753282), (6, 48502188), (7, 41573304), (8, 36376641), (9, 32334792), (12, 24251094), (14, 20786652), (18, 16167396), (21, 13857768), (24, 12125547), (27, 10778264), (28, 10393326), (36, 8083698), (42, 6928884), (54, 5389132), (56, 5196663), (63, 4619256), (72, 4041849), (84, 3464442), (108, 2694566), (126, 2309628), (168, 1732221), (189, 1539752), (197, 1477224), (216, 1347283), (252, 1154814), (378, 769876), (394, 738612), (504, 577407), (591, 492408), (756, 384938), (788, 369306), (977, 297864), (1182, 246204), (1379, 211032), (1512, 192469), (1576, 184653), (1773, 164136), (1954, 148932), (2364, 123102), (2758, 105516), (2931, 99288), (3546, 82068), (3908, 74466), (4137, 70344), (4728, 61551), (5319, 54712), (5516, 52758), (5862, 49644), (6839, 42552), (7092, 41034), (7816, 37233), (8274, 35172), (8793, 33096), (10638, 27356), (11032, 26379), (11724, 24822), (12411, 23448), (13678, 21276), (14184, 20517), (16548, 17586)]