13262228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 28318080

約数和(自身を除く): 15055852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 257, 266, 388, 514, 532, 679, 1028, 1358, 1799, 1843, 2716, 3598, 3686, 4883, 7196, 7372, 9766, 12901, 19532, 24929, 25802, 34181, 49858, 51604, 68362, 99716, 136724, 174503, 349006, 473651, 698012, 947302, 1894604, 3315557, 6631114, 13262228]

約数ペア:

[(1, 13262228), (2, 6631114), (4, 3315557), (7, 1894604), (14, 947302), (19, 698012), (28, 473651), (38, 349006), (76, 174503), (97, 136724), (133, 99716), (194, 68362), (257, 51604), (266, 49858), (388, 34181), (514, 25802), (532, 24929), (679, 19532), (1028, 12901), (1358, 9766), (1799, 7372), (1843, 7196), (2716, 4883), (3598, 3686)]