28194404

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 61860960

約数和(自身を除く): 33666556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 67, 76, 98, 113, 133, 134, 196, 226, 266, 268, 452, 469, 532, 791, 931, 938, 1273, 1582, 1862, 1876, 2147, 2546, 3164, 3283, 3724, 4294, 5092, 5537, 6566, 7571, 8588, 8911, 11074, 13132, 15029, 15142, 17822, 22148, 30058, 30284, 35644, 52997, 60116, 62377, 105203, 105994, 124754, 143849, 210406, 211988, 249508, 287698, 370979, 420812, 575396, 741958, 1006943, 1483916, 2013886, 4027772, 7048601, 14097202, 28194404]

約数ペア:

[(1, 28194404), (2, 14097202), (4, 7048601), (7, 4027772), (14, 2013886), (19, 1483916), (28, 1006943), (38, 741958), (49, 575396), (67, 420812), (76, 370979), (98, 287698), (113, 249508), (133, 211988), (134, 210406), (196, 143849), (226, 124754), (266, 105994), (268, 105203), (452, 62377), (469, 60116), (532, 52997), (791, 35644), (931, 30284), (938, 30058), (1273, 22148), (1582, 17822), (1862, 15142), (1876, 15029), (2147, 13132), (2546, 11074), (3164, 8911), (3283, 8588), (3724, 7571), (4294, 6566), (5092, 5537)]