28657244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 39080356

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 59, 76, 77, 83, 118, 133, 154, 166, 209, 236, 266, 308, 332, 413, 418, 532, 581, 649, 826, 836, 913, 1121, 1162, 1298, 1463, 1577, 1652, 1826, 2242, 2324, 2596, 2926, 3154, 3652, 4484, 4543, 4897, 5852, 6308, 6391, 7847, 9086, 9794, 11039, 12331, 12782, 15694, 17347, 18172, 19588, 22078, 24662, 25564, 31388, 34279, 34694, 44156, 49324, 53867, 68558, 69388, 86317, 93043, 107734, 121429, 137116, 172634, 186086, 215468, 242858, 345268, 372172, 377069, 485716, 651301, 754138, 1023473, 1302602, 1508276, 2046946, 2605204, 4093892, 7164311, 14328622, 28657244]

約数ペア:

[(1, 28657244), (2, 14328622), (4, 7164311), (7, 4093892), (11, 2605204), (14, 2046946), (19, 1508276), (22, 1302602), (28, 1023473), (38, 754138), (44, 651301), (59, 485716), (76, 377069), (77, 372172), (83, 345268), (118, 242858), (133, 215468), (154, 186086), (166, 172634), (209, 137116), (236, 121429), (266, 107734), (308, 93043), (332, 86317), (413, 69388), (418, 68558), (532, 53867), (581, 49324), (649, 44156), (826, 34694), (836, 34279), (913, 31388), (1121, 25564), (1162, 24662), (1298, 22078), (1463, 19588), (1577, 18172), (1652, 17347), (1826, 15694), (2242, 12782), (2324, 12331), (2596, 11039), (2926, 9794), (3154, 9086), (3652, 7847), (4484, 6391), (4543, 6308), (4897, 5852)]