28195308

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 74692800

約数和(自身を除く): 46497492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 113, 116, 174, 226, 239, 261, 339, 348, 452, 478, 522, 678, 717, 956, 1017, 1044, 1356, 1434, 2034, 2151, 2868, 3277, 4068, 4302, 6554, 6931, 8604, 9831, 13108, 13862, 19662, 20793, 27007, 27724, 29493, 39324, 41586, 54014, 58986, 62379, 81021, 83172, 108028, 117972, 124758, 162042, 243063, 249516, 324084, 486126, 783203, 972252, 1566406, 2349609, 3132812, 4699218, 7048827, 9398436, 14097654, 28195308]

約数ペア:

[(1, 28195308), (2, 14097654), (3, 9398436), (4, 7048827), (6, 4699218), (9, 3132812), (12, 2349609), (18, 1566406), (29, 972252), (36, 783203), (58, 486126), (87, 324084), (113, 249516), (116, 243063), (174, 162042), (226, 124758), (239, 117972), (261, 108028), (339, 83172), (348, 81021), (452, 62379), (478, 58986), (522, 54014), (678, 41586), (717, 39324), (956, 29493), (1017, 27724), (1044, 27007), (1356, 20793), (1434, 19662), (2034, 13862), (2151, 13108), (2868, 9831), (3277, 8604), (4068, 6931), (4302, 6554)]