28207894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 26224106

約数列:

[1, 2, 11, 13, 19, 22, 26, 29, 38, 58, 143, 179, 209, 247, 286, 319, 358, 377, 418, 494, 551, 638, 754, 1102, 1969, 2327, 2717, 3401, 3938, 4147, 4654, 5191, 5434, 6061, 6802, 7163, 8294, 10382, 12122, 14326, 25597, 37411, 44213, 51194, 57101, 67483, 74822, 78793, 88426, 98629, 114202, 134966, 157586, 197258, 486343, 742313, 972686, 1084919, 1282177, 1484626, 2169838, 2564354, 14103947, 28207894]

約数ペア:

[(1, 28207894), (2, 14103947), (11, 2564354), (13, 2169838), (19, 1484626), (22, 1282177), (26, 1084919), (29, 972686), (38, 742313), (58, 486343), (143, 197258), (179, 157586), (209, 134966), (247, 114202), (286, 98629), (319, 88426), (358, 78793), (377, 74822), (418, 67483), (494, 57101), (551, 51194), (638, 44213), (754, 37411), (1102, 25597), (1969, 14326), (2327, 12122), (2717, 10382), (3401, 8294), (3938, 7163), (4147, 6802), (4654, 6061), (5191, 5434)]