291231012

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 763015680

約数和(自身を除く): 471784668

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 227, 228, 323, 331, 454, 646, 662, 681, 908, 969, 993, 1292, 1324, 1362, 1938, 1986, 2724, 3859, 3876, 3972, 4313, 5627, 6289, 7718, 8626, 11254, 11577, 12578, 12939, 15436, 16881, 17252, 18867, 22508, 23154, 25156, 25878, 33762, 37734, 46308, 51756, 67524, 73321, 75137, 75468, 106913, 146642, 150274, 213826, 219963, 225411, 293284, 300548, 320739, 427652, 439926, 450822, 641478, 879852, 901644, 1277329, 1282956, 1427603, 2554658, 2855206, 3831987, 4282809, 5109316, 5710412, 7663974, 8565618, 15327948, 17131236, 24269251, 48538502, 72807753, 97077004, 145615506, 291231012]

約数ペア:

[(1, 291231012), (2, 145615506), (3, 97077004), (4, 72807753), (6, 48538502), (12, 24269251), (17, 17131236), (19, 15327948), (34, 8565618), (38, 7663974), (51, 5710412), (57, 5109316), (68, 4282809), (76, 3831987), (102, 2855206), (114, 2554658), (204, 1427603), (227, 1282956), (228, 1277329), (323, 901644), (331, 879852), (454, 641478), (646, 450822), (662, 439926), (681, 427652), (908, 320739), (969, 300548), (993, 293284), (1292, 225411), (1324, 219963), (1362, 213826), (1938, 150274), (1986, 146642), (2724, 106913), (3859, 75468), (3876, 75137), (3972, 73321), (4313, 67524), (5627, 51756), (6289, 46308), (7718, 37734), (8626, 33762), (11254, 25878), (11577, 25156), (12578, 23154), (12939, 22508), (15436, 18867), (16881, 17252)]