28269834

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 62515200

約数和(自身を除く): 34245366

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 73, 79, 86, 114, 129, 146, 158, 219, 237, 258, 438, 474, 817, 1387, 1501, 1634, 2451, 2774, 3002, 3139, 3397, 4161, 4503, 4902, 5767, 6278, 6794, 8322, 9006, 9417, 10191, 11534, 17301, 18834, 20382, 34602, 59641, 64543, 109573, 119282, 129086, 178923, 193629, 219146, 247981, 328719, 357846, 387258, 495962, 657438, 743943, 1487886, 4711639, 9423278, 14134917, 28269834]

約数ペア:

[(1, 28269834), (2, 14134917), (3, 9423278), (6, 4711639), (19, 1487886), (38, 743943), (43, 657438), (57, 495962), (73, 387258), (79, 357846), (86, 328719), (114, 247981), (129, 219146), (146, 193629), (158, 178923), (219, 129086), (237, 119282), (258, 109573), (438, 64543), (474, 59641), (817, 34602), (1387, 20382), (1501, 18834), (1634, 17301), (2451, 11534), (2774, 10191), (3002, 9417), (3139, 9006), (3397, 8322), (4161, 6794), (4503, 6278), (4902, 5767)]