28689786

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^3\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 65482560

約数和(自身を除く): 36792774

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 131, 138, 207, 262, 393, 414, 529, 786, 1058, 1179, 1587, 2358, 3013, 3174, 4761, 6026, 9039, 9522, 12167, 18078, 24334, 27117, 36501, 54234, 69299, 73002, 109503, 138598, 207897, 219006, 415794, 623691, 1247382, 1593877, 3187754, 4781631, 9563262, 14344893, 28689786]

約数ペア:

[(1, 28689786), (2, 14344893), (3, 9563262), (6, 4781631), (9, 3187754), (18, 1593877), (23, 1247382), (46, 623691), (69, 415794), (131, 219006), (138, 207897), (207, 138598), (262, 109503), (393, 73002), (414, 69299), (529, 54234), (786, 36501), (1058, 27117), (1179, 24334), (1587, 18078), (2358, 12167), (3013, 9522), (3174, 9039), (4761, 6026)]